| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
60,267 pcs
|
60267 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
7,849 pcs
|
7849 pcs | On Request | 1 | On Request | On Request | 13+ | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Battery Chemistry | |
| Fault Protection | |
| Function | |
| Interface | |
| Mounting Type | |
| Number of Cells | |
| Operating Temperature | |
| Supplier Device Package | |
| Tape & Reel |
The BQ29312APW from Texas Instruments is an analog front end (AFE) integrated circuit designed for 2, 3, or 4-cell lithium-ion or lithium-polymer battery pack protection. This IC incorporates a 3.3-V, 25-mA low-dropout regulator (LDO) and an I2C-compatible interface for accessing battery parameters like cell voltages.
Key features include individual cell voltage monitoring, battery voltage reporting to the host, and integrated cell balancing drive. It offers programmable thresholds and delays for overload and short-circuit conditions during both charge and discharge cycles. The device also provides a system alert interrupt output and host control for initiating sleep or ship modes.
Packaged in a 24-TSSOP, the BQ29312APW is suitable for surface mount applications. It operates over a wide temperature range of -40°C to 85°C, making it a versatile choice for various portable electronics.
Applications for the BQ29312APW include notebook PCs, medical and test equipment, and portable instrumentation where reliable battery management and protection are critical.
| Qty | Low | High |
|---|---|---|
| 1+ | $3.92 | $3.92 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The supply voltage range is 4.5 V to 25 V.
It is available in a 24-pin TSSOP package.
The operating temperature range is -40°C to 85°C.
It supports 2 to 4 series Lithium-Ion or Lithium-Polymer cells.
It supports Lithium-Ion and Lithium-Polymer chemistries.
It provides over-current, over-voltage, under-voltage, and short circuit protection.
It uses an I2C interface.