STMicroelectronics STNRG328S Switching Controllers Digital Controllers

Selelekela

• Tokomane ena e hlalosa mokhoa oa ho hlophisa mohopolo oa EEPROM oa sesebelisoa sa STNRG328S se kentsoeng libotong tse nang le li-topology tsa STC/HSTC. Mokhoa ona o kenyelletsa ho jarolla binary file stsw-stc ka sebopeho sa hex ho sebelisa adaptara ea thapo ea USB/TTL-RS232.
• Example ka tlase e bonts'a boto e nang le STC topology le STNRG328S e kentsoeng. Moqapi o thehiloe holim'a likarolo tsa X7R
  (switch capacitors le resonant inductors) bakeng sa phetoho ea sekhahla 4: 1 (ho tloha ho 48 V ho kenya bese ho ea ho 12 V Vout), e khonang ho fana ka matla a 1 kW lits'ebetsong tsa seva.

  

• Khoutu ea binary stsw-stc e ka khoasolloa sehokelong sa https://www.st.com/en/product/stnrg328s. Stsw-stc e tšehetsa puisano ea PMBUS. U ka fumana lenane la litaelo le boitsebiso bo eketsehileng mabapi le sesebelisoa sebakeng se le seng.
  Bohlokoa: Ikopanye le ofisi ea thekiso ea lehae ha u hlophisa chip lekhetlo la pele.

Lisebelisoa le lisebelisoa

Lisebelisoa le lisebelisoa tse hlokahalang ho etsa ts'ebetso ea ntlafatso li hlalositsoe ka tlase.

1. Khomphuta ea hau e nang le litlhoko tse latelang:
   • Windows XP, Windows 7 sistimi e sebetsang
   • bonyane 2 GB ea memori ea RAM
   • 1 kou ea USB
2. Ho kenya file CDM v2.12.00 WHQL Certified.exe bakeng sa FTDI mokhanni bakeng sa USB 2.0 ho serial UART converter. The file e ka khoasolloa ho tsoa ho ST.com ho STEVAL-ILL077V1 evaluation tool firmware page ho STSW-ILL077FW_SerialLoader subdirectory.
   • Hokela thapo ea USB / UART ho PC le board ea mama. Lekhetlo la pele ha thapo e hokeloa ho PC, mokhanni oa converter oa FTDI USB o lokela ho fumanoa ebe o kengoa ka bohona.
     Haeba mokhanni a sa kenngoa, qala ho kenya file CDM v2.12.00 WHQL Certified.exe.
   • Hang ha mokhanni a kentsoe, puisano ka boema-kepe ba USB e nkiloe ho PC e ka hare ea COM. 'Mapa o ka netefatsoa ho molaoli oa Sesebediswa sa Windows: [Paneli ya Taolo]>[Sistimi]>[Taolo ya Sesebediswa]>[Maemakepe].

     
3. Boloka file Flash Loader Demonstrator.7z, e hlokahalang ho kenya ST serial flash loader ho PC.
   The file e ka khoasolloa ho tsoa ho ST.com ho STEVAL-ILL077V1 evaluation tool firmware page ho STSW-ILL077FW_SerialLoader subdirectory.
   • Ka mor'a hore u kenye sesebelisoa sa lisebelisoa, tsamaisa e sebetsang file STFlashLoader.exe. Skrine e bontšitsoeng setšoantšong se ka tlase e tla hlaha.

     
4. The .hex binary file hlophisitsoe le IAR Embedded Workbench. Sesebelisoa se ka sekepeng se tlameha se se se bonesitsoe ka firmware e nang le tšehetso ea puisano ea PMBUS. Bakeng sa firmware, re bua ka STUniversalCode.
5. Thapo ea Micro USB.
6. Phepelo ea motlakase ea DC e nang le ho matlafatsa boto.

Ho hlophisoa ha Hardware

Karolo ena e hlalosa khokahano lipakeng tsa thapo ea UART le liphini tsa sesebelisoa. Pinaut ea sesebelisoa e bontšitsoe ka tlase:

1. Beha li-pins joalo ka ha ho boletsoe tafoleng e latelang:
   Lethathamo la 1. Litlhophiso tsa phini tsa STNRG328S
   

   Litšupiso tsa jumper	Seta boemo
   Pin 13 (VDDA)	+ 3.3V / + 5V ka boto e fanoeng
   PIN ea 29 VDD	+ 3.3V / + 5V ka boto e fanoeng
   Pin 1 (UART_RX)	Hlophisa ho UART TX ea thapo
   Pin 32 (UART_TX)	Hlophisa ho UART RX ea thapo
   Pin 30 (VSS)	GND
   Pin 7 (UART2_RX)	Hokela fatše ho tima bootloader ho UART ea bobeli

2. Hokela pheletso ea USB ea thapo ea adaptara ho koung ea USB ea PC; ebe o hokela pheletso ea serial le likhokahanyo tsa pin tsa sokete.
   Netefatsa likhokahano tse latelang:
   • RX_cable = TX_devive (Pin 32)
   • TX_cable = RX_device (Pin 1)
   • GND_cable = GND_device (Pin 30)
     UART RX Pin 7 e 'ngoe ea STNRG328S e tlameha ho hokelloa fatše.

     

E khoasolla firmware

• Bakeng sa ho hlophisa bocha mohopolo oa EEPROM oa sesebelisoa sa STNRG328S, re tla bua ka boto ea X7R-1kW e bontšitsoeng ho Setšoantšo sa 1.
• Firmware ea stsw-stc e nkoa e se e kentsoe.
• Boto e sebelisa Pin 1 le Pin 32 joalo ka UART. Firmware e hlophisa lithakhisa tsena tsa I2C tse arolelanoang joalo ka UART hobane e hloka ho nolofalletsa bootloader ka UART. Karolo ena e ka sebelisoa ka ho sebelisa taelo ea ho ngola ea PMBUS ho beha boleng ba 0xDE ho 0x0001.
• Ho romela litaelo tsa PMBUS, mosebelisi o hloka GUI le sehokelo sa USB/UART (sheba 1.).
• Kamora ho tsamaisa taelo ena, hokela thapo ea UART ho Pin 1 le Pin 32 joalo ka ha ho hlalositsoe ka holimo 'me u latele mehato e ka tlase:

1. Matha STFlashLoader.exe, fensetere e ka tlase e bontšitsoe.

   

   • Sebelisa litlhophiso tse bontšitsoeng setšoantšong se ka holimo.
     Bohlokoa:
     Se ke oa tobetsa konopo ea [E latelang] hang-hang kaha e ka koala fensetere ea nako. Ho hlokahala phini e 'ngoe ea libaesekele pele u tsoela pele.
   • Bakeng sa [Lebitso la Boema-kepe], khetha sebaka sa COM se amanang le USB/Serial converter. Windows Device Manager ho PC ea mosebelisi e bonts'a 'mapa oa boema-kepe ba COM (sheba Lisebelisoa le lisebelisoa).
2. Matlafatsa boto 'me U UTLOE 'me hang-hang (ka tlase ho 1 s) tobetsa konopo ea [E latelang] setšoantšong se ka holimo. Sesepa se latelang se tla hlaha haeba khokahano e atlehileng lipakeng tsa PC le boto e thehiloe.

   

3. Ho tsoa lebokoseng la puisano setšoantšong se ka holimo, khetha STNRG lethathamong la [Target]. Ho tla hlaha fensetere e ncha e nang le 'mapa oa memori oa memori e sa fetoheng.

   

4. Tobetsa konopo ea [E latelang], 'me setšoantšo se ka tlase se tla hlaha.
   Ho hlophisa EEPROM:
   1. khetha [Khoasolla ho Sesebelisoa]
   2. ho [Jarolla ho tsoa ho file], sheba ho file ho khoasolla mohopolong oa SNRG328S.
   3.  khetha khetho ea [Global Erase].

      

5. Tobetsa [E latelang] ho qala mokhoa oa ho jarolla.
   Emela hore mokhoa oa ho etsa lenaneo o phethe le ho netefatsa hore molaetsa oa katleho ka botala o hlaha, joalokaha ho bontšitsoe setšoantšong se ka tlase.

   

6. U ka netefatsa hore binary e nepahetseng e jarollotsoe ka ho hlahloba hore data&code checksum ea firmware e tsamaisana le tokollo.
   Mokhoa ona o hlalositsoe ho STC Checksum Implemetation.docx e fumanehang ho ST.com.

Litšupiso

1. Tlhokomeliso ea kopo: AN4656: Ts'ebetso ea bootloading bakeng sa li-control tsa dijithale tsa STLUX™ le STNRG™

Nalane ea ntlafatso

Lethathamo la 2. Histori ea ntlafatso ea litokomane

Letsatsi	Phetolelo	Liphetoho
02-Mar-2022	1	Tokollo ea pele.

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Litokomane / Lisebelisoa

STMicroelectronics STNRG328S Switching Controllers Digital Controllers [pdf] Bukana ea Mosebelisi STNRG328S, Switching Controllers Digital Controllers, STNRG328S Switching Controllers Digital Controllers, Controllers Digital Controller, Digital Controller, Controller

Litšupiso

• Bukana ea Mosebelisi