
Overview
The MT5811 is a battery Management IC made by MAXIC Tech in a QFN-48-EP(6x6) package with 49 pins. -40℃~+85℃ 1mA 3.5V~12V I2C、SPI、UART Under-voltage lockout、Overcurrent Protection、Overvoltage Protection QFN-48-EP(6x6) Battery Management ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:MT5811, from EasyEDA) and its footprint (EasyEDA_Cloud:QFN-48_L6.0-W6.0-P0.40-BL-EP4.2, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C428254).
Symbol
Footprint
Parameters
5- Features
- Under-voltage lockout, Overcurrent Protection, Overvoltage protection
- Interface
- I2C、SPI、UART
- Operating Temperature
- -40℃~+85℃
- Supply Current (Iq)
- 1mA
- Voltage - Supply
- 3.5V~12V
Order codes
1- MT5811LCSC C428254
Pinout
49| Pin | Name | Type |
|---|---|---|
| 1 | VIN5V | Unspecified |
| 2 | NC0 | Unspecified |
| 3 | GPIOA1 | Unspecified |
| 4 | GPIOA3 | Unspecified |
| 5 | GPIOA4 | Unspecified |
| 6 | GPIOA6 | Unspecified |
| 7 | LDO1P5 | Unspecified |
| 8 | GND | Unspecified |
| 9 | XIN | Unspecified |
| 10 | XOUT | Unspecified |
| 11 | GPIOA7 | Unspecified |
| 12 | VDDIOA | Unspecified |
| 13 | VDDIOB | Unspecified |
| 14 | GPIOB0 | Unspecified |
| 15 | GPIOB1 | Unspecified |
| 16 | GPIOB2 | Unspecified |
| 17 | GPIOB3 | Unspecified |
| 18 | GPIOB4 | Unspecified |
| 19 | GPIOB5 | Unspecified |
| 20 | GPIOB8 | Unspecified |
| 21 | GPIOB6 | Unspecified |
| 22 | GPIOB7 | Unspecified |
| 23 | GPIOC0 | Unspecified |
| 24 | DRV2L | Unspecified |
| 25 | SW2 | Unspecified |
| 26 | DRV2H | Unspecified |
| 27 | BST2 | Unspecified |
| 28 | DRV3L | Unspecified |
| 29 | SW3 | Unspecified |
| 30 | DRV3H | Unspecified |
| 31 | BST3 | Unspecified |
| 32 | DRV1L | Unspecified |
| 33 | SW1 | Unspecified |
| 34 | DRV1H | Unspecified |
| 35 | BST1 | Unspecified |
| 36 | GND | Unspecified |
| 37 | SW_B | Unspecified |
| 38 | VIN | Unspecified |
| 39 | NC1 | Unspecified |
| 40 | VIN_SNS | Unspecified |
| 41 | VDD5V | Unspecified |
| 42 | LDO3P3 | Unspecified |
| 43 | NC2 | Unspecified |
| 44 | DEMOD0 | Unspecified |
| 45 | DEMOD1 | Unspecified |
| 46 | ISNS_O | Unspecified |
| 47 | ISL | Unspecified |
| 48 | ISH | Unspecified |
| 49 | GND | Unspecified |
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Is there a KiCad symbol and footprint for the MT5811?
Yes. The symbol is EasyEDA_Cloud:MT5811 and the footprint EasyEDA_Cloud:QFN-48_L6.0-W6.0-P0.40-BL-EP4.2, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the MT5811?
QFN-48-EP(6x6), with 49 pins. Its footprint is drawn on this page.
Where is the MT5811 datasheet?
MAXIC Tech publishes it: the Datasheet link on this page opens it.
Where can I order the MT5811?
JLCPCB lists it as part C428254, with 0 in stock; the sellers' links on this page open their listings.