Cov ntsiab lus zais
1 ANALOG DEVICES LTC4417 Prioritized PowerPath Controller
2 Cov ntaub ntawv khoom
3 Cov lus qhia siv khoom
4 Kev piav qhia
5 TSEEM CEEB
6 TshajVIEW
7 DAIM NTAWV THOV KEV PAB CUAM DC1717B
8 QHOV TSEEM CEEB TSHAJ PLAWS
9 LEEJ XEEM NTAWV
10 SCHEMATIC DIAGRAM
11 ESD ceev faj
12 Cov ntaub ntawv / Cov ntaub ntawv
12.1 Cov ntaub ntawv

Analog_Devices_Logo.svg

ANALOG DEVICES LTC4417 Prioritized PowerPath Controller

ANALOG-DEVICES-LTC4417-Prioritized-PowerPath-Controller-cov khoom

Cov ntaub ntawv khoom

Specifications

Cim Parameter Cov xwm txheej Min Ntaus Max Chav tsev
V1-V3, UAS V1 txog V3, VOUT Kev Ua Haujlwm Kev Pabcuam 2.5 36 V
VG Qhib (VS-VG) Clamp Voltage VOUT = 11V, G1 to G3 = Qhib 5.4 6.2 6.7 V
VG (SOURCE) Sourcing (VS-VG) Clamp Voltage 5.8 6.6 7 V
VG (SINK) Sinking (VS-VG) Clamp Voltage 4.5 5.2 6 V
VG (OFF) G1 txog G3 Tawm (VS-VG) Threshold V1 = V2 = V3 = 2.8V, VOUT = 2.6V, G1 to G3 Rising Edge 0.12 0.35 0.6 V
VG (SLEW, ON) G1 rau G3 rub-down Slew Rate VOUT = 11V, CGATE = 10nF 4 9 20
VG (SLEW, OFF) G1 rau G3 Pull-Up Slew Rate VOUT = 11V, CGATE = 10nF 7.5 13 22
IGATE (LOW) G1 txog G3 Tsawg rub-down tam sim no VOUT = 2.6V, V1 to V3 = 2.8V, (G1 to G3) = VG + 300mV 0.8 2 7
VREV Rov qab Voltage Qhov Rooj 30 120 200 mV
tG (SWITCHOVER) Break-ua ntej-Ua Sijhawm VOUT = 11V, CGATE = 10nF 0.7 2 3
VVALID(OL) VALID1 to VALID3 Tso zis qis Voltage I = 1mA, (V1 to V3) = 2.5V, VOUT = 0V 0.2 0.55 V
tPVALID(OFF) VALID1 rau VALID3 Ncua tawm ntawm OV/UV Fault 5 8 13
VSHDN (THR) SHDN Threshold Voltage 0.4 0.8 1.2 V
VSHDN_EN(HYS) SHDN, EN Threshold Hysteresis 100 mV
ISHDN_EN EN Pull-Up Tam sim no
VOV_UV(THR) OV1 to O3, UV1 to UV3 Comparator Threshold SHDN Rising, SHDN = EN = 0V VOUT = 11V, OV1 to OV3 Rising, UV1
rau UV3 Falling		 0.985 1.015 V
VOV_UV(HYS) OV1 to O3, UV1 to UV3 Comparator Hysteresis UAS = 11V 15 30 45 mV
tVALID V1 rau V3 Lub Sijhawm Ua Haujlwm 100 256 412 ms
V1 Kev Ua Haujlwm Voltage ntawm Channel V1 9.6 12 14.4 V
V2 Kev Ua Haujlwm Voltage ntawm Channel V2 4 5 6 V
V3 Kev khiav hauj lwm voltage ntawm Channel V3 6.4 8 9.6 V
ILOAD AVI Load Current Auxiliary Voltage Input 2 6 A, V

Cov lus qhia siv khoom

Tshajview
LTC4417 yog PowerPathTM maub los tseem ceeb uas tswj peb pawg ntawm sab nraud rov qab-rau-rov qab P-channel MOSFETs txhawm rau txuas cov tsheb ciav hlau kom zoo rau lub nra. Nws siv precision sib piv los saib xyuas txhua qhov ntawm peb qhov kev sib txuas lus rau undervoltage (UV) thiab overvoltage (OV) condition. Qhov tseem ceeb tshaj plaws input mov uas nws voltage yog nyob rau hauv nws qhov OV / UV qhov rais rau yam tsawg 256ms yog suav tias yog siv tau thiab txuas nrog lub load. VALID1, VALID2, thiab VALID3 tus pins qhia qhov siv tau ntawm V1, V2, thiab V3 voltages. Logic thiab LEDs suav nrog los muab cov ntaub ntawv pom txog kev ua haujlwm. Cov circuits yog powered los ntawm 6V mus rau 24V auxiliary voltage input (AVI) uas yog tswj los ntawm LT3060 (U4) rau 5V. Lub auxiliary 5V rail kuj powers 100k rub-ups rau VALID pins. Lub xub ntiag ntawm AVI yog tsim nyog rau lub rooj tsavxwm ua haujlwm.

Cov Cai Ua Haujlwm
Txhawm rau tshem tawm kev hloov pauv rov qab mus rau lub sijhawm hloov tsheb ciav hlau, LTC4417 muab 30mV hysteresis hauv OV thiab UV sib piv. Lub OV / UV resistive dividers tso cai rau ib qho kev hloov kho tam sim no hom hysteresis. Lub DC1717B pawg thawj coj saib muaj lub ntsiab lus siv hysteresis ntawm 6%, tab sis nws tuaj yeem hloov mus rau 3% los ntawm kev txav JP1 jumper mus rau 30mV txoj haujlwm.

Kev piav qhia

Kev ua qauv qhia Circuit Court DC1717B siv LTC®4417 arbitrate ntawm peb cov khoom siv nkag, xaiv qhov tseem ceeb tshaj plaws, siv tau rau lub hwj chim ntawm lub load. Txoj kev tsheb ciav hlau qhov tseem ceeb yog txhais los ntawm kev sib txuas lus (V1-V3). Txhua rail muaj overvoltage thiab undervoltage thresholds teem los ntawm sab nraud resistors. Yog qhov tseem ceeb tshaj plaws rail voltage ntog tawm ntawm lub qhov rais txhais (overvoltage lub undervoltage), txoj kev tsheb ciav hlau nrog qhov tseem ceeb tshaj plaws tom ntej, uas yog siv tau, yog enabled thiab powers lub load. Ob lossis ntau dua LTC4417s tuaj yeem ua rau muaj kev hloov pauv ntawm ntau tshaj peb txoj kab. Tsim files rau lub rooj tsav xwm Circuit Court no muaj nyob ntawm www.analog.com/DC1717B.

TSEEM CEEB

Specifications ntawm TA = 25 ° C

SYMBOL PARAMETER TXOJ CAI MIN TYP MAX UNITS
V1-V3, UAS V1 txog V3, VOUT Kev Ua Haujlwm Kev Pabcuam   2.5   36 V
ΔVG Qhib (VS-VG) Clamp Voltage VOUT = 11V, G1 to G3 = Qhib 5.4 6.2 6.7 V
ΔVG(SOURCE) Sourcing (VS-VG) Clamp Voltage VOUT = 11V, I = -10µA 5.8 6.6 7 V
ΔVG (SINK) Sinking (VS-VG) Clamp Voltage VOUT = 11V, I = 10µA 4.5 5.2 6 V
ΔVG (OFF) G1 txog G3 Tawm (VS-VG) Threshold V1 = V2 = V3 = 2.8V, VOUT = 2.6V, G1 to G3 Rising Edge 0.12 0.35 0.6 V
ΔVG(SLEW,ON) G1 rau G3 rub-down Slew Rate VOUT = 11V, CGATE = 10nF 4 9 20 V/µs
ΔVG(SLEW,OFF) G1 rau G3 Pull-Up Slew Rate VOUT = 11V, CGATE = 10nF 7.5 13 22 V/µs
IGATE (LOW) G1 txog G3 Tsawg rub-down tam sim no VOUT = 2.6V, V1 to V3 = 2.8V, (G1 to G3) = ΔVG + 300mV 0.8 2 7 .A
VREV Rov qab Voltage Qhov Rooj Ntsuas (V1 txog V3) - VOUT, VOUT Poob 30 120 200 mV
tG (SWITCHOVER) Break-ua ntej-Ua Sijhawm VOUT = 11V, CGATE = 10nF 0.7 2 3 .swv
VVALID(OL) VALID1 to VALID3 Tso zis qis Voltage I = 1mA, (V1 to V3) = 2.5V, VOUT = 0V   0.2 0.55 V
tPVALID(OFF) VALID1 rau VALID3 Ncua tawm ntawm OV/UV Fault   5 8 13 .swv
VSHDN (THR) SHDN Threshold Voltage SHDN nce 0.4 0.8 1.2 V
VSHDN_EN(HYS) SHDN, EN Threshold Hysteresis   100 mV
ISHDN_EN SHDN, EN Pull-Up Tam sim no SHDN = EN = 0V —0.5 —2 —5 .A
VOV_UV(THR) OV1 to O3, UV1 to UV3 Comparator Threshold VOUT = 11V, OV1 to OV3 Rising, UV1 to UV3 Falling 0.985 1 1.015 V
VOV_UV(HYS) OV1 to O3, UV1 to UV3 Comparator Hysteresis UAS = 11V 15 30 45 mV
tVALID V1 rau V3 Lub Sijhawm Ua Haujlwm   100 256 412 ms
V1 Kev Ua Haujlwm Voltage ntawm Channel V1   9.6 12 14.4 V
V2 Kev Ua Haujlwm Voltage ntawm Channel V2   4 5 6 V
V3 Kev khiav hauj lwm voltage ntawm Channel V3   6.4 8 9.6 V
ILOAD Load Tam sim no   2 A
AVI Pab Txhawb Voltage Input   6   24 V

TshajVIEW

Lub LTC4417 tswj peb pawg ntawm sab nraud rov qab-rau-rov qab P-channel MOSFETs txhawm rau txuas cov tsheb ciav hlau kom zoo rau lub nra. Precision comparators yog siv los saib xyuas txhua qhov ntawm peb txoj kev nkag rau ob qho tib si UV thiab OV. Qhov tseem ceeb tshaj plaws input mov uas nws voltage yog nyob rau hauv nws lub qhov rais OV / UV rau yam tsawg 256ms yog suav tias yog siv tau thiab txuas nrog lub load. Cov cim qis ntawm VALID1, VALID2, thiab VALID3 tus pins qhia kev siv tau ntawm V1, V2, thiab V3 voltages.

DC1717B yog tsim los ua haujlwm los ntawm cov khoom siv ntawm 12V, 5V, thiab 8V, siv rau V1, V2 thiab V3 feem. Qhov siv tau ntawm txhua qhov khoom siv yog ± 20%, raws li tau teev tseg los ntawm OV thiab UV sib piv thiab lawv cov kev cuam tshuam sib cuam tshuam. V1 muaj qhov tseem ceeb tshaj plaws, V3 muaj qhov qis tshaj. Cov tswv yim tseem ceeb tshaj plaws uas tseem nyob hauv nws qhov kev siv tau yog xaiv los ua lub zog rau cov zis. V1, V2 thiab V3 inputs raug tiv thaiv tawm tsam input glitches txog ± 42V. Qhov siab tshaj plaws load tam sim no yog 2A, txwv los ntawm MOSFET muaj peev xwm.

Logic thiab LEDs suav nrog los muab cov ntaub ntawv pom txog kev ua haujlwm. Cov circuits no yog siv los ntawm 6V rau 24V auxiliary voltage input (AVI) uas yog tswj los ntawm LT3060 (U4) rau 5V. Qhov kev pabcuam 5V rail no tseem muaj zog 100kΩ rub-ups rau VALID pins. AVI yuav tsum muaj nyob rau hauv kev txiav txim rau lub rooj tsavxwm ua haujlwm. Saib cov Modifica-tion section rau ib txoj kev tshem tawm AVI.

KEV PAB CUAM

Txhawm rau tshem tawm kev hloov pauv rov qab mus rau lub sijhawm kev tsheb ciav hlau hloov pauv, LTC4417 muab 30mV hysteresis hauv OV thiab UV sib piv, thiab kev hloov kho sab nraud tam sim no hysteresis siv OV / UV resistive dividers. DC1717B's input reference hysteresis yog 6%, thiab tuaj yeem hloov mus rau 3% los ntawm kev txav JP1 jumper mus rau 30mV txoj haujlwm. Tus maub los txoj kev "so-ua-ua-ua" hloov txoj kev tiv thaiv kev sib tw ntawm cov kev tawm tswv yim thiab rov qab tam sim no los ntawm cov zis capacitor rau hauv cov khoom siv xaiv. Txhua channel tswj Circuit Court ntawm LTC4417 muaj REV sib piv, uas saib xyuas cov khoom siv sib txuas thiab cov khoom tso tawm vol.tage. REV sib piv ncua kev sib txuas kom txog thaum cov zis voltage droops 120mV hauv qab input voltage. Qhov no tiv thaiv rov qab tam sim no.

LTC4417 muaj ob hom kev tswj tus pins: EN thiab SHDN. Rub tus EN tus pin hauv qab 1V tua tag nrho cov sab nraud rov qab-rau-rov qab P-channel MOSFETs. Thaum tus pin no tau tsav siab dua 1V, qhov tseem ceeb tshaj plaws siv tau channel txuas nrog lub load. Tag nrho cov kev ua no yog muab tsis tau rov pib dua 256ms OV / UV timers. Rub tus SHDN tus pin hauv qab 0.8V tua tag nrho cov sab nraud rov qab-rau-rov qab P-channel MOSFETs, tso tus maub los rau hauv lub xeev tsis tshua muaj tam sim no thiab rov pib dua 256ms timers siv los siv cov tswv yim rail vol.tages. Nws yuav tsum muaj tsawg kawg yog 256ms kom siv tau txhua txoj kev tsheb ciav hlautage tom qab SHDN tus pin teeb liab mus siab. Lub LTC4417 nta ob hom kev tsav tsheb sib txawv rau P-channel MOSFET rooj vag. Ib hom yog muab los ntawm lub internal soft-start circuitry, uas txwv cov zis voltage slew tus nqi tsis ntau tshaj 5V / ms. Raws li qhov tso zis ntau tshaj voltage slew tus nqi, feem ntau, tuaj yeem tsim cov kev cai siab tshaj plaws rau cov khoom siv hluav taws xob, 5V / ms yuav tsum raug coj mus rau hauv tus account raws li qhov teeb meem phem tshaj plaws rau kev xaiv cov khoom.

Lub soft-start circuitry yog enabled txhua lub sij hawm raws li hauv qab no tej yam kev mob:

  • Yog tias LTC4417 yog thawj zaug siv rau, lossis
  • Yog tias SHDN raug yuam kom qis, lossis
  • Yog tias VOUT poob qis dua ~ 0.7V Soft-start yog neeg xiam thaum:
    • ib qho channel kaw, suav nrog cov channel uas yog mos
    • 32ms validation ncua sij hawm tau dhau mus thaum lub sij hawm soft-start.

Lwm hom tsav tsheb ntawm P-channel MOSFETs yog siv nyob rau hauv voltage switching lag luam, thaum qhov tseem ceeb tshaj rail hloov lub tsheb ciav hlau poob validity. Tus neeg tsav tsheb lub rooj vag ua haujlwm nrog cov tam sim no ruaj khov, uas yog txhais los ntawm cov khoom siv sab nraud tsis muaj RS thiab CS qhia hauv daim duab 1. LTC4417 Circuit Court designer yuav tsum xaiv tus nqi ntawm RS thiab CS raws li MOSFET tsis, fais fab kev tsheb ciav hlau qhov chaw yam ntxwv, lees txais cov zis voltage droop thaum lub sij hawm ncua, thiab tus nqi ntawm load capacitance.

ANALOG-DEVICES-LTC4417-Prioritized-PowerPath-Controller-fig- (1)

DAIM NTAWV THOV KEV PAB CUAM DC1717B

Cov tswv yim siv tau rau txhua qhov khoom siv yog tswj hwm los ntawm OV thiab UV sib piv nrog cov kev faib tawm (R4-R13). Saib LTC4417 cov ntaub ntawv rau kev sib npaug tsim los xaiv cov resistors kom phim ib qho kev xav tau. Dual MOSFETs, Q1-Q3, tuaj yeem hloov nrog ib qho khoom siv Q4-Q9 los ntawm tsuas yog tshem tawm Q1-Q3. Pads rau Q4-Q9 yog nyob rau sab hauv qab ntawm lub rooj tsavxwm. Qhov yuav tsum tau rau AVI tej zaum yuav raug tshem tawm los ntawm kev tshem tawm jumpers JP2 thiab JP3, thiab tshem tawm resistor R19. Qhov kev hloov kho no ua rau cov LEDs tsis muaj zog thiab cov khoom siv ntawm U2 thiab U3 clamp Lub VALID pins ntawm 0.7V, tab sis txwv tsis pub tawm ntawm LTC4417 kev ua haujlwm autonomously. Cov kev xav hauv qab no tsim thiab qhov sib npaug dem-onstrate qhov kev sib cuam tshuam ntawm cov khoom tseem ceeb ntawm cov khoom tseem ceeb thiab cov kev tsis sib xws hauv kev hloov tsheb ciav hlau, thaum cov zis vol.tage 0.7v. Cov variables CS thiab RS siv nyob rau hauv cov qauv sib npaug sib haum mus rau cov nram qab no board Cheebtsam:

  • C20, R23 rau V1 (+ 12V channel)
  • C21, R26 rau V2 (+ 5.0V channel)
  • C22, R28 rau V3 (+ 8.0V channel)

Yuav kom muaj kev cuam tshuam tseem ceeb ntawm lub sijhawm hloov pauv CS yuav tsum muaj tsawg kawg yog kaum lub sijhawm loj dua P-channel MOSFET qhov thim rov qab hloov pauv (Miller). Hauv qhov tsim no, rau txhua txoj hlua, CS (C20, C21, thiab C22) sib npaug 47nF.

Lub slew tus nqi ntawm cov zis voltage tuaj yeem qhia tau tias ua haujlwm ntawm CS:

ANALOG-DEVICES-LTC4417-Prioritized-PowerPath-Controller-fig- (2)

qhov twg:

  • VSINK yog LTC4417 parameter nyob rau hauv cov ntaub ntawv raws li ΔVG(SINK) = 4.5V-6V.
  • VTHRES yog P-channel rooj vag voltage, uas yog nruab nrab ntawm -1.5V thiab -3.5V rau Si7905DN ntsia rau ntawm lub rooj tsavxwm.
  • RS = 249Ω thiab CS = 47nF.

Muab hais tias dVOUT/dt yog raws li lub sij hawm ncua sij hawm xav tau-ment, nws muaj peev xwm los txhais RS los ntawm kab zauv 1. Cov zis voltage slew tus nqi, dVOUT / dt, ntau yam rau lub voj voog nrog cov npe tsis muaj nyob nruab nrab ntawm 85V / ms thiab 385V / ms. Thaum lub sij hawm hloov ntawm txoj kev tsheb ciav hlau, lub tsheb thauj khoom tuaj yeem raug txiav tawm ntawm ib qho kev tsheb ciav hlau rau ib lub sijhawm: TDISCON = tG(SWITCHOVER) + tpVALID(OFF) + tGATE_THRES Ob qhov thawj cov ntsiab lus ntawm TDISCON tau ntsuas hauv LTC4417 cov ntaub ntawv raws li:

  1. tG(SWITCHOVER) = (0.3 to 3)µs
  2. tpVALID(OFF) = (5 txog 13)µs

Qhov thib ob summand, tpVALID(OFF), yuav tsum tau muab coj mus rau hauv tus account yog hais tias tus txuam LTC4417 input tsis muaj ib tug bypass capacitor thiab lub tsheb ciav hlau yuav tsum disconnected los ntawm lub tswv yim tam sim ntawd.

Qhov thib peb yuav tsum raug xam raws li:

ANALOG-DEVICES-LTC4417-Prioritized-PowerPath-Controller-fig-3

Nws muaj peev xwm los txiav txim siab qhov tsawg kawg nkaus capacitive load yuav tsum tuav cov zis thaum lub sij hawm hloov pauv raws li:

ANALOG-DEVICES-LTC4417-Prioritized-PowerPath-Controller-fig-4

qhov twg:

  • ILOAD (MAX) yog qhov siab tshaj plaws load tam sim no, A
  • VOUT (DROOPMAX) yog qhov siab tshaj plaws tau txais voltage poob, VANALOG-DEVICES-LTC4417-Prioritized-PowerPath-Controller-fig-5

Raws li pom nyob rau hauv kab zauv (3), kev siv ntawm lwm tus slew tus nqi tswj yuav ntxiv ncua ncua mus rau tag nrho cov sij hawm switchover. Hmoov tsis zoo, cov khoom siv tiag tiag tsis tuaj yeem xaiv kom txog thaum paub txog lub peev xwm load. Qhov teeb meem ncig no tsuas yog daws tau los ntawm txoj kev rov ua dua. Cov txheej txheem pib los ntawm kev suav CLOAD(MIN), piv txwv tias tGATE_THRES = 10μs. Kom meej meej, tus nqi no yuav raug sau npe CLOAD(INIT). Siv CLOAD (INIT), suav RS los ntawm kev qhia ntawm TDISCON. Txhawm rau kom ntseeg tau tias qhov ntsuas tshiab RS raws li CLOAD (INIT) txaus, suav CLOAD nrog cov lej RS. Yog tias CLOAD(INIT) (qhov pib xam CLOAD) siab dua li qhov ntsuas tshiab CLOAD ces cov txheej txheem tiav. Yog tias CLOAD (INIT) qis dua qhov ntsuas tshiab CLOAD, suav RS siv tus nqi siab dua thiab rov ua cov txheej txheem no.

TURRETS

  • V1: 12V mov tswv yim; Tsis pub dhau ± 42V.
  • V2: 5V mov tswv yim; Tsis pub dhau ± 42V.
  • V3: 8V mov tswv yim; Tsis pub dhau ± 42V.
  • GND: Kev sib txuas hauv av nyob ib sab rau cov khoom siv nkag. VOUT: Cov zis tawm mus txog 2A load.
  • GND: Kev sib txuas hauv av sib txuas rau kev thauj khoom.
  • AVI: Auxiliary Voltage Input. 6V rau 24V input tswj los ntawm U4 rau 5V rau LEDs, logic thiab rub ups rau ntau tus pins.
  • GND: Kev sib txuas hauv av nyob ib puag ncig rau kev pabcuam pabcuam.
  • 5V: 5V tswj cov zis muab los ntawm U4, rau lub zog logic, LEDs thiab rub ups. Siv lub turret no kom paub tseeb tias 5V tam sim no.

Txhua lub turrets hauv qab no yog kev sib txuas ncaj qha rau lub npe zoo li LTC4417 tus pin:

  • VALID1: rub nrog 100kOhm rau auxiliary 5V mov.
  • VALID2: rub nrog 100kOhm rau auxiliary 5V mov.
  • VALID3: rub nrog 100kOhm rau auxiliary 5V mov.
  • EN: rub los ntawm 2μA sab hauv rau LTC4417. Kev xaiv R33 tuaj yeem raug ntxiv raws li kev rub tawm mus rau lub koom haum 5V fais fab mov.
  • SHDN: rub los ntawm 2μA sab hauv rau LTC4417. Kev xaiv R36 tuaj yeem raug ntxiv raws li kev rub tawm mus rau qhov kev pabcuam 5V fais fab mov.
  • CAS: DC1717B. Txuas CAS turret ntawm qhov tseem ceeb DC1717B rau EN turret ntawm qhov tseem ceeb DC1717B.

Lub hauv paus yuav tsum tau sib txuas ua ke.

JUMPERS

  1. JP1, HYS: Ntxiv 30mV tsau hysteresis rau OV thiab UV sib piv, lossis 3% xa mus rau cov khoom siv tiag tiag. Nyob rau hauv RHYS txoj hauj lwm input-xa mus rau hysteresis yog teem rau 6.4%, raws li tswj los ntawm R11. Default stuffing txoj hauj lwm yog rau 30mV.
  2. JP2, EN: ncaj qha tswj EN tus pin. Default stuffing txoj hauj lwm yog ON, rub los ntawm sab hauv 2μA tam sim no qhov chaw.

LEADS
Tsis pub ntau tshaj ib qho ntawm D8, D9 thiab D10 yuav raug teeb pom kev nyob rau txhua lub sijhawm:

  • D8: qhia tias lub hwj chim raug muab los ntawm V1.
  • D9: qhia tias lub hwj chim raug muab los ntawm V2.
  • D10: qhia tias lub hwj chim raug muab los ntawm V3.

D11, D16 thiab D17 qhia tias muaj cov tswv yim siv tau ntawm ib qho ntawm peb cov khoom siv:

  • D17: V1 yog 12V ± 20%.
  • D11: V2 yog 5V ± 20%.
  • D16: V3 yog 8V ± 20%.

QHOV TSEEM CEEB TSHAJ PLAWS

Xa mus rau daim duab 3 rau kev teeb tsa cov cuab yeej ntsuas kom raug thiab ua raws li cov txheej txheem hauv qab no: Thaum pib, LTC4417 yuav tsum raug kaw los ntawm:

  • tso lub jumper JP2 (EN) header hauv OFF txoj haujlwm, thiab
  • tso lub jumper JP3 (SHDN) header hauv OFF txoj haujlwm
  1. Txuas lub zog hluav taws xob (6V rau 24V) rau DC1717B (AVI thiab GND turrets) teeb lub teeb ntsuab LED (LDO-D12) qhia tias muaj cov khoom pabcuam +5V rau lub zog logic.
  2. Nrog fais fab tuag, txuas peb lub zog khoom siv nrog cov zis voltages ntawm 12V, 5V, thiab 8V rau DC1717B turrets los yog txiv tsawb jacks V1 (+ 12V), V2 (+ 5V), V3 (+ 8V), thiab GND.
  3. Txuas 6Ω load resistor (30W) rau DC1717B tso zis turret lossis txiv tsawb jack (VOUT). Tsis txhob siv cov khoom siv hluav taws xob hauv hom tam sim no.
  4. Qhib peb lub hwj huam mov. Tsis muaj LEDs ntxiv yuav tsum teeb.
  5. Hloov lub jumper JP3 (SHDN) header txoj hauj lwm ntawm OFF rau ON. Peb LEDs (VALID1, VALID2, thiab VALID3) validating lub input rail voltages yuav tsum.
  6. Muab lub jumper JP2 (EN) nyob rau hauv txoj hauj lwm ON tig rau ntawm LTC4417 powering lub load nrog 12V (2.0A). Hauv kev pib lub zog nce LTC4417 siv tus nqi ruaj khov rau cov zis voltage, uas yuav tsum tsis txhob loj dua 5V / ms.
  7. Lub luag haujlwm tseem ceeb yog pom los ntawm kev tsuas yog tua ib lossis ob ntawm V1, V2 thiab V3 cov khoom siv. Cov zis yuav raug siv los ntawm cov khoom seem ntawm qhov tseem ceeb tshaj plaws. V1, V2 thiab V3 tuaj yeem hloov kho nce thiab nqis tshaj ± 20% kom tsis raug rau qhov muab tswv yim.ANALOG-DEVICES-LTC4417-Prioritized-PowerPath-Controller-fig-6

LEEJ XEEM NTAWV

Yam khoom QTY CEEB TOOM PART Kev piav qhia MANUFACTURER/PART NUMBER
1 0 C1, C3, C5, C8 Ib., 1206 OPTI
2 0 C2, C4, C6, C9 Ib., 2220 OPTI
3 1 C7 CAP., ALUM., 47µF 50V 20% SMT TUB ELECT., 50CE47BS
4 5 C10, C11, C12, C13, C15 CAP., X5R, 1µF 50V, 10%, 0603 TAIYO YUDEN UMK107BJ105KA-T
5 1 C14 CAP., X5R 10µF 10V 20% 0805 TAIYO YUDEN LMK212ABJ106MG-T
6 1 C16 CAP., NPO 10nF 50V 5% 0805 NIC, NMC0805NPO103J50TRPF
7 3 C17, C18, C19 CAP., X5R 0.1µF 50V 10% 0805 TAIYO YUDEN UMK212BJ104KG-T
8 3 C20, C21, C22 CAP., X7R 0.047µF 50V, 10%, 0805 MURATA, GRM21BR71H473KA01L
9 3 D1, D2, D3 DIODE, TVS BI-DIRECTIONAL, 26V, 600W DIODES/ZETEX SMBJ26CA-13-F
10 0 D7 ZENER DIODE, 5.1V SOD-123 OPTI
11 8 D8-D12, D16, D17, D18 LED, Ntsuab, LED-ROHM-SML-01 ROHM, SML-012P8TT86
12 3 D13, D14, D15 DIODE, SCHOTTKY, SOD323 VISHAY SEMI., BAT42WS-E3-08
13 9 E1-E4, E6, E13-E16 TURRET, 0.094 " MILL-MAX 2501-2-00-80-00-00-07-0
14 6 E7, E8, E9, E10, E11, E12 TURRET, 0.063 " MILL-MAX 2308-2-00-80-00-00-07-0
15 3 JP1, JP2, JP3 HAIV, SGL. ROW 3 PINS 2mm CTRS. SAMTEC TMM-103-02-LS
16 3 SHUTS RAU JP1-JP3 (1 & 2) SHUNT, 2mm CTRS. SAMTEC 2SN-BK-G
17 6 J1, J2, J3, J4, J5, J6 JACK, BANANA KUB 575-4
18 3 1 q2,q3 MOSFET 2P-CH 40V 8A 8SO VISHAY Si4909DY-T1-GE3
19 0 Q4, Q5, Q6, Q7, Q8, Q9 MOSFET P-CHAN., 40V, FDD4685, DPAK OPTI
20 1 q10 ua XTOR N-CHAN., SOT23 DIODE INC., MMBTA42-7-F
21 1 q11 ua XTOR N-CHAN., SOT23 DIODE INC., MMBT3904-7-F
22 1 R4 RES., CHIP 1.69M 0.125W 1% 0805 VISHAY, CRCW08051M69FKEA
23 3 5, r8, 12 RES., CHIP 69.8k 0.125W 1% 0805 VISHAY, CRCW080569K8FKEA
24 3 6, r9, 13 RES., CHIP 130k 0.125W 1% 0805 NIC, NRC10F1303TRF
25 1 R7 RES., CHIP 590k 0.125W 1% 0805 VISHAY, CRCW0805590KFKEA
26 1 R10 RES., CHIP 1.05M 0.125W 1% 0805 VISHAY, CRCW08051M05FKEA
27 1 R11 RES., CHIP 127k 0.1W 1% 0603 VISHAY, CRCW0603127KFKED UA
28 7 R14-R16, R20-R22, R29 RES., CHIP 1k 0.1W 5% 0603 VISHAY, CRCW06031K00JNEA
29 0 R17 RES., CHIP 845k 0.1W 1% 0603 OPTI
30 0 R18 RES., CHIP 115k 0.06W 1% 0603 OPTI
31 1 R19 RES., CHIP 30.9k 0.1W 1% 0603 VISHAY, CRCW060330K9FKEA
32 3 23, r26, 28 RES., CHIP 249 0.1W 1% 0603 VISHAY, CRCW060249RFKEA UA
33 5 R30, R31, R32, R33, R36 RES., CHIP 100k 0.1W 5% 0603 NIC, NRC06J104TRF
34 1 R34 RES., CHIP 68k 0.25W 5% 1206 NIC, NRC12J683TRF
35 1 R35 RES., CHIP 240Ω 0.25W 1% 1206 VISHAY, CRCW1206240RFKEA UA
36 1 U1 IC, POWERPATH Controller, QFN24UF-4 × 4 LINEAR TECH CORP. LTC4417CUF
37 3 U2, U3, U5 IC, TRIPPLE 3-INPUT NOR GATE TSSOP14 NXP/PHILIPS SEMI. 74 HC27 PAB
38 1 U4 IC, LOW DROPOUT REG. TSO 23-8 LINEAR TECH CORP. LT3060ETS8-5
39 4 MH1-MH4 STANDOFF, NYLON, 0.50, 1/2 " KEYSTONE, 8833 (SNAP RAU)

SCHEMATIC DIAGRAM

ANALOG-DEVICES-LTC4417-Prioritized-PowerPath-Controller-fig-7 ANALOG-DEVICES-LTC4417-Prioritized-PowerPath-Controller-fig-8 ANALOG-DEVICES-LTC4417-Prioritized-PowerPath-Controller-fig-9 ANALOG-DEVICES-LTC4417-Prioritized-PowerPath-Controller-fig-11

ESD Ceev faj

ESD (electrostatic tso tawm) rhiab ntaus ntawv
Cov khoom siv hluav taws xob thiab hluav taws xob hluav taws xob tuaj yeem tso tawm yam tsis muaj kev kuaj pom. Txawm hais tias cov khoom no muaj patented lossis proprietary tiv thaiv circuitry, kev puas tsuaj yuav tshwm sim ntawm cov khoom siv hluav taws xob ESD. Yog li ntawd, yuav tsum tau ceev faj txog ESD kom tsis txhob muaj kev ua haujlwm tsis zoo lossis tsis ua haujlwm.

Raws li txoj cai Cov ntsiab lus thiab Cov xwm txheej

Los ntawm kev siv lub Rooj Tswjhwm Saib Xyuas Kev Ntsuam Xyuas tau tham hauv no (ua ke nrog txhua yam cuab yeej, cov ntaub ntawv cov ntaub ntawv lossis cov ntaub ntawv txhawb nqa, "Tsev Saib Xyuas Kev Ntsuam Xyuas"), koj pom zoo ua raws li cov ntsiab lus thiab cov xwm txheej tau teev tseg hauv qab no ("Kev Pom Zoo") tshwj tsis yog tias koj tau yuav lub Lub Rooj Tswjhwm Saib Xyuas, nyob rau hauv rooj plaub no Analog Devices Standard Terms and Conditions of Sale yuav tsum tswj. Tsis txhob siv Pawg Saib Xyuas Kev Ntsuam Xyuas kom txog thaum koj tau nyeem thiab pom zoo rau Daim Ntawv Pom Zoo. Koj qhov kev siv Pawg Saib Xyuas Kev Ntsuam Xyuas yuav qhia koj qhov kev lees paub ntawm Daim Ntawv Pom Zoo. Daim ntawv cog lus no yog tsim los ntawm thiab nruab nrab ntawm koj ("Cov Neeg Siv Khoom") thiab Analog Devices, Inc. ("ADI"), nrog rau nws qhov chaw tseem ceeb ntawm kev lag luam ntawm One Technology Way, Norwood, MA 02062, USA. Raws li cov lus cog tseg thiab cov xwm txheej ntawm Daim Ntawv Pom Zoo, ADI tau tso cai rau Cov Neeg Siv Khoom Dawb, txwv, tus kheej, ib ntus, tsis suav nrog, tsis yog sublicensable, tsis hloov pauv daim ntawv tso cai siv Pawg Saib Xyuas Kev Ntsuam Xyuas FOR EVALUATION PURPOSES XWB. Cov neeg siv khoom nkag siab thiab pom zoo tias Pawg Saib Xyuas Kev Ntsuas yog muab rau lub hom phiaj nkaus xwb thiab tshwj xeeb uas tau hais los saum toj no, thiab pom zoo tsis siv Pawg Saib Xyuas Kev Ntsuas rau lwm lub hom phiaj.

Tsis tas li ntawd, daim ntawv tso cai tso cai tau nthuav tawm ua raws li cov kev txwv ntxiv hauv qab no:

Cov neeg siv khoom yuav tsum tsis txhob (i) xauj, xauj, tso saib, muag, hloov pauv, muab, sublicense, lossis faib rau Pawg Saib Xyuas Kev Ntsuam Xyuas; thiab (ii) tso cai rau ib tog twg los nkag rau Pawg Saib Xyuas Kev Ntsuam Xyuas. Raws li siv nyob rau hauv no, lo lus "Third Party" suav nrog lwm qhov chaw uas tsis yog ADI, Cov Neeg Siv Khoom, lawv cov neeg ua haujlwm, cov koom tes thiab cov kws pab tswv yim hauv tsev. Lub Rooj Tswjhwm Saib Xyuas Kev Ntsuam Xyuas tsis raug muag rau Cov Neeg Siv Khoom; tag nrho cov cai uas tsis tau tso cai qhia meej hauv no, suav nrog cov tswv cuab ntawm Pawg Saib Xyuas Kev Ntsuas, yog tshwj tseg los ntawm ADI. Kev tsis pub leej twg paub. Daim ntawv cog lus no thiab Pawg Saib Xyuas Kev Ntsuam Xyuas yuav tsum suav tias yog cov ntaub ntawv tsis pub lwm tus paub thiab muaj tswv cuab ntawm ADI. Cov neeg siv khoom yuav tsis nthuav tawm lossis hloov ib feem ntawm Pawg Saib Xyuas Kev Ntsuam Xyuas mus rau lwm tus tog twg yog vim li cas. Thaum txiav tawm ntawm kev siv Pawg Saib Xyuas Kev Ntsuam Xyuas lossis kev txiav tawm ntawm Daim Ntawv Pom Zoo no, Cov Neeg Siv Khoom pom zoo xa rov qab Pawg Saib Xyuas Kev Ntsuas rau ADI tam sim ntawd. Kev txwv ntxiv. Cov neeg siv khoom tsis tuaj yeem tshem tawm, decompile lossis thim rov qab cov khoom siv hluav taws xob ntawm Pawg Saib Xyuas Kev Ntsuas. Cov neeg siv khoom yuav tsum ceeb toom rau ADI txog ib qho kev puas tsuaj tshwm sim lossis kev hloov kho lossis kev hloov pauv uas nws ua rau Pawg Saib Xyuas Kev Ntsuam Xyuas, suav nrog tab sis tsis txwv rau kev sib tsoo lossis lwm yam haujlwm uas cuam tshuam rau cov ntsiab lus ntawm Pawg Saib Xyuas Kev Ntsuas. Kev hloov kho rau Pawg Saib Xyuas Kev Ntsuam Xyuas yuav tsum ua raws li txoj cai lij choj, suav nrog tab sis tsis txwv rau RoHS Cov Lus Qhia. TERMINATION. ADI tuaj yeem txiav Daim Ntawv Pom Zoo no txhua lub sijhawm thaum muab ntawv ceeb toom rau Cov Neeg Siv Khoom. Cov neeg siv khoom pom zoo rov qab mus rau ADI Pawg Saib Xyuas Kev Ntsuam Xyuas thaum lub sijhawm ntawd.

LIMITATION OF LIABILITY. LUB TSEV KAWM NTAWV NTAWM NO tau muab "raws li yog" thiab ADI tsis muaj kev lav phib xaub lossis kev sawv cev ntawm txhua yam uas muaj kev hwm rau nws. Adi tshwj xeeb tsis lees paub muaj cov sawv cev, kev pom zoo, yog tias tsis muaj pov thawj rau cov tub luam cov khoom lag luam suav nrog cov qauv kev txawj ntse. YUAV TSUM TAU ADI thiab nws cov ntawv tso cai yuav raug lav rau ib qho xwm txheej, tshwj xeeb, hais tsis ncaj, lossis qhov kev puas tsuaj uas tshwm sim los ntawm cov neeg siv khoom muaj cai lossis siv qhov kev ntsuam xyuas BOARD, kev poob nyiaj, tsis muaj kev cuam tshuam. ADI tag nrho kev lav phib xaub los ntawm ib qho twg thiab txhua qhov laj thawj yuav tsum raug txwv rau tus nqi ntawm ib puas peb las ($ 100.00).

EXPORT. Cov neeg siv khoom pom zoo tias nws yuav tsis ncaj qha lossis tsis ncaj qha xa tawm Pawg Saib Xyuas Kev Ntsuam Xyuas mus rau lwm lub tebchaws, thiab nws yuav ua raws li tag nrho cov kev cai lij choj hauv Tebchaws Meskas thiab cov cai tswjfwm ntsig txog kev xa tawm. TSEV KAWM NTAWV. Daim ntawv cog lus no yuav raug tswj hwm los ntawm thiab txhais raws li cov kev cai tseem ceeb ntawm Lub Tebchaws ntawm Massachusetts (tsis suav nrog kev tsis sib haum xeeb ntawm txoj cai lij choj). Txhua yam kev cai lij choj hais txog Daim Ntawv Pom Zoo no yuav raug hnov ​​​​hauv lub xeev lossis tsoomfwv cov tsev hais plaub uas muaj kev txiav txim plaub ntug hauv Suffolk County, Massachusetts, thiab Cov Neeg Siv Khoom yuav xa mus rau tus kheej txoj cai thiab qhov chaw ntawm cov tsev hais plaub. United Nations Convention on Contracts for International Muag Khoom yuav tsis siv rau Daim Ntawv Pom Zoo no thiab tsis lees paub meej.

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Cov ntaub ntawv / Cov ntaub ntawv

ANALOG DEVICES LTC4417 Prioritized PowerPath Controller [ua pdf] Cov neeg siv phau ntawv qhia
LTC4417 Thawj PowerPath Controller, LTC4417, Ua Ntej PowerPath Controller, PowerPath Controller, Tus Tswj

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