2 layers72.2 × 45.2 mm
L9961
STMicroelectronicsExtended
-40℃~+85℃ 155uA 3~5 4.3V~25V 70mA I2C Lithium Battery Overcharge protection、Over-discharge protection、Overcurrent Protection、Short-Circuit Protection、Cell balancing Protection IC、Balancing IC、Monitoring IC Support VFQFPN-32(5x5) Battery Management ROHS
- Part id
- st/L9961
- Category
- Battery Management
- Package
- VFQFPN-32(5x5)
- Pins
- 33
- In stock
- 9 at JLCPCB (C6072310)
- Used on
- 1 open-source board
Overview
The L9961 is a battery Management made by STMicroelectronics in a VFQFPN-32(5x5) package with 33 pins. -40℃~+85℃ 155uA 3~5 4.3V~25V 70mA I2C Lithium Battery Overcharge protection、Over-discharge protection、Overcurrent Protection、Short-Circuit Protection、Cell balancing Protection IC、Balancing IC、Monitoring IC Support VFQFPN-32(5x5) Battery Management ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:L9961TR, from EasyEDA) and its footprint (EasyEDA_Cloud:VFQFPN-32_L5.0-W5.0-P0.50-TL-EP3.5, from EasyEDA), ready for a KiCad board. 9 are in stock at JLCPCB (part C6072310). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Pinout
33| Pin | Name | Type |
|---|---|---|
| 1 | C0 | Unspecified |
| 2 | ISENSEP | Unspecified |
| 3 | ISENSEM | Unspecified |
| 4 | GND | Unspecified |
| 5 | SCL | Unspecified |
| 6 | SDA | Unspecified |
| 7 | RDY | Unspecified |
| 8 | VREG | Unspecified |
| 9 | NTC | Unspecified |
| 10 | OD | Unspecified |
| 11 | FAULTN_SAFE | Unspecified |
| 12 | FAULTN | Unspecified |
| 13 | TM_ENTER | Unspecified |
| 14 | WAKEUP | Unspecified |
| 15 | NSHIP | Unspecified |
| 16 | FUSE | Unspecified |
| 17 | DCHG | Unspecified |
| 18 | VSD | Unspecified |
| 19 | VSC | Unspecified |
| 20 | CHG | Unspecified |
| 21 | VCP1M | Unspecified |
| 22 | VCP1P | Unspecified |
| 23 | VCP2M | Unspecified |
| 24 | VCP2P | Unspecified |
| 25 | VCP | Unspecified |
| 26 | VB | Unspecified |
| 27 | TM1 | Unspecified |
| 28 | C5 | Unspecified |
| 29 | C4 | Unspecified |
| 30 | C3 | Unspecified |
| 31 | C2 | Unspecified |
| 32 | C1 | Unspecified |
| 33 | EP | Unspecified |
Open-source boards using it
1Questions
Is there a KiCad symbol and footprint for the L9961?
Yes. The symbol is EasyEDA_Cloud:L9961TR and the footprint EasyEDA_Cloud:VFQFPN-32_L5.0-W5.0-P0.50-TL-EP3.5, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the L9961?
VFQFPN-32(5x5), with 33 pins. Its footprint is drawn on this page.
Where is the L9961 datasheet?
STMicroelectronics publishes it: the Datasheet link on this page opens it.
Where can I order the L9961?
JLCPCB lists it as part C6072310, with 9 in stock; the sellers' links on this page open their listings.
Which open-source boards use the L9961?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.