Fully Integrated 2-4 Cell Series, Lithium-ion/Li-Pol Battery Gauge
![]()
| Part number | SY62541QFQ |
|---|
| Description | Fully integrated 2-4 cell series Lithium-ion/Li-Pol battery gauge |
|---|
| Features | Advanced S3 algorithm with integrated protection, cell balancing and authentication, PD Sink, SPI interface for external memory |
|---|
| Number of series cells | 2-4 Cells |
|---|
| Chemistry | Li-ion/Li-Polymer, LiFePO4, Si-Anode |
|---|
| Capacity (min) (mAh) | 100 |
|---|
| Capacity (max) (mAh) | 65000 |
|---|
| Vin (min) (V) | 3.5 |
|---|
| Vin (max) (V) | 20 |
|---|
| Communication Interface | SMB/I2C/UART |
|---|
| Implementation | Pack |
|---|
| External capacity indication | LED |
|---|
| Integrated protection | Fully Integrated |
|---|
| Cell balancing | External, Internal |
|---|
| Authentication | SHA1, SHA-256, ECC-256 |
|---|
| Operating temperature range(°C) | -40 to 85 |
|---|
| Package | QFN4×4-32 |
|---|
- High-side Protection
- Low-side Current sense ( Rsense lower to 1mΩ )
- Pre-charge supporting
- Cell Balance
- Protections include OCD/SCD/SCC
- ECC authentication
- PD Function (sink only )
- 32MHz M0 Core
- 256KByte Flash
- 24KByte SRAM
- High accuracy Voltage ADC
- High accuracy Current ADC
- UART/ SMBUS Communication Interface
- SPI Interface
- RTC/ Timer/ Watchdog
- 2 NTC temperature measurement
- 32-Pin QFN 4.0mm x 4.0mm
