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STM32L431CBY7

STMicroelectronicsExtended

WLCSP-49(3.1x3.1) Microcontrollers (MCU/MPU/SOC) ROHS

JLCPCBLCSC
Part id
st/STM32L431CBY7
Category
Microcontrollers (MCU, MPU, SOC)
Package
WLCSP-49(3.1x3.1)
Pins
49
In stock
2 at JLCPCB (C5269849)

Overview

The STM32L431CBY7 is a microcontroller made by STMicroelectronics in a WLCSP-49(3.1x3.1) package with 49 pins. WLCSP-49(3.1x3.1) Microcontrollers (MCU/MPU/SOC) ROHS.

PCBKit's library has its KiCad symbol (MCU_ST_STM32L4:STM32L431CBYx, from KiCad's library) and its footprint (Package_CSP:ST_WLCSP-49_Die435, from KiCad's library), ready for a KiCad board. 2 are in stock at JLCPCB (part C5269849).

Symbol

VDDA1PA14A2PB3A3PB4A4PH3A5VSSA6VDDA7PA13B2PA15B3PB5B4PB8B5VBATB6PC13B7PA11C1PA10C2PA12C3PB6C4PB9C5PC15C6PC14C7PA8D1PA9D2PB15D3PB7D4NRSTD5PH1D6PH0D7PB14E1PB13E2PB10E3PA3E4PA2E5PC3E6VSSAE7PB12F1PB11F2PA7F3PA6F4PA5F5PA0F6VDDAF7VDDG1PB2G3PB1G4PB0G5PA4G6PA1G7
MCU_ST_STM32L4:STM32L431CBYxFrom KiCad's library

Footprint

Package_CSP:ST_WLCSP-49_Die435From KiCad's library

Pinout

49
The pins of the STM32L431CBY7
PinNameType
A1VDDPower in
A2PA14Input/output
A3PB3Input/output
A4PB4Input/output
A5PH3Input/output
A6VSSPower in
A7VDDPower in
B1VSSPassive
B2PA13Input/output
B3PA15Input/output
B4PB5Input/output
B5PB8Input/output
B6VBATPower in
B7PC13Input/output
C1PA11Input/output
C2PA10Input/output
C3PA12Input/output
C4PB6Input/output
C5PB9Input/output
C6PC15Input/output
C7PC14Input/output
D1PA8Input/output
D2PA9Input/output
D3PB15Input/output
D4PB7Input/output
D5NRSTInput
D6PH1Input/output
D7PH0Input/output
E1PB14Input/output
E2PB13Input/output
E3PB10Input/output
E4PA3Input/output
E5PA2Input/output
E6PC3Input/output
E7VSSAPower in
F1PB12Input/output
F2PB11Input/output
F3PA7Input/output
F4PA6Input/output
F5PA5Input/output
F6PA0Input/output
F7VDDAPower in
G1VDDPower in
G2VSSPassive
G3PB2Input/output
G4PB1Input/output
G5PB0Input/output
G6PA4Input/output
G7PA1Input/output

Parts like it

6

Questions

Is there a KiCad symbol and footprint for the STM32L431CBY7?

Yes. The symbol is MCU_ST_STM32L4:STM32L431CBYx and the footprint Package_CSP:ST_WLCSP-49_Die435, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the STM32L431CBY7?

WLCSP-49(3.1x3.1), with 49 pins. Its footprint is drawn on this page.

Where can I order the STM32L431CBY7?

JLCPCB lists it as part C5269849, with 2 in stock; the sellers' links on this page open their listings.

What can replace the STM32L431CBY7?

Parts like it in the library: the STM32L431CCY6 by STMicroelectronics, the STM32L433CCY6 by STMicroelectronics, the STM32L431CBY6 by STMicroelectronics and the STM32G431CBY6 by STMicroelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.