BQ29209TDRBTQ1
ActiveAUTOMOTIVE VOLTAGE PROTECTION WITH AUTOMATIC CELL BALANCE FOR 2-CELL LI-ION BATTERIES, OVP=4.30V
Deep-Dive with AI
Search across all available documentation for this part.
BQ29209TDRBTQ1
ActiveAUTOMOTIVE VOLTAGE PROTECTION WITH AUTOMATIC CELL BALANCE FOR 2-CELL LI-ION BATTERIES, OVP=4.30V
Technical Specifications
Parameters and characteristics for this part
| Specification | BQ29209TDRBTQ1 |
|---|---|
| Battery Chemistry | Lithium Ion |
| Function | Battery Protection |
| Grade | Automotive |
| Mounting Type | Surface Mount |
| Number of Cells | 2 |
| Operating Temperature [Max] | 105 °C |
| Operating Temperature [Min] | -40 °C |
| Package / Case | 8-VDFN Exposed Pad |
| Qualification | AEC-Q100 |
| Supplier Device Package | 8-SON (3x3) |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 1.27 | |
| 10 | $ 1.14 | |||
| 25 | $ 1.08 | |||
| 100 | $ 0.89 | |||
| Digi-Reel® | 1 | $ 1.27 | ||
| 10 | $ 1.14 | |||
| 25 | $ 1.08 | |||
| 100 | $ 0.89 | |||
| Tape & Reel (TR) | 250 | $ 0.83 | ||
| 500 | $ 0.73 | |||
| 750 | $ 0.57 | |||
| 1250 | $ 0.58 | |||
| 1750 | $ 0.55 | |||
| 2500 | $ 0.54 | |||
| 6250 | $ 0.51 | |||
| 12500 | $ 0.49 | |||
| Texas Instruments | SMALL T&R | 1 | $ 0.94 | |
| 100 | $ 0.73 | |||
| 250 | $ 0.53 | |||
| 1000 | $ 0.38 | |||
Description
General part information
BQ29209-Q1 Series
The BQ29209-Q1 device is a secondary overvoltage protection IC for 2-series cell lithium-ion battery packs that incorporates a high-accuracy precision overvoltage detection circuit and automatic cell imbalance correction.
The voltage of each cell in a 2-series cell battery pack is compared to a factory programmed internal reference voltage. If either cell reaches an overvoltage condition, the OUT pin changes from low to high state.
The BQ29209-Q1 can perform automatic voltage-based cell imbalance correction. Balancing can start when the cell voltages are different by nominally 30 mV or more and stops when the difference is nominally 0 mV. Cell balancing is enabled and disabled by theCB_ENpin.
