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TI BQ29707DSER
Battery Management Li-Ion/Li Polymer Battery protect IC
Brands: TI
Mfr.Part #: BQ29707DSER
Datasheet: BQ29707DSER Datasheet (PDF)
Package/Case: WSON-6
Product Type: Battery Management
RoHS Status:
Stock Condition: 1179 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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Add To BomBQ29707DSER General Description
The BQ2970 battery cell protection device provides an accurate monitor and trigger threshold for overcurrent protection during high discharge/charge current operation or battery overcharge conditions.
The BQ2970 device provides the protection functions for Li-ion/Li-polymer cells, and monitors across the external power FETs for protection due to high charge or discharge currents. In addition, there is overcharge and depleted battery monitoring and protection. These features are implemented with low current consumption in NORMAL mode operation.
Features
- Input voltage range pack+: VSS – 0.3 V to 12 V
- FET drive:
- CHG and DSG FET drive output
- Voltage sensing across external FETs for overcurrent protection (OCP) is within ±5 mV (typical)
- Fault detection
- Overcharge detection (OVP)
- Over-discharge detection (UVP)
- Charge overcurrent detection (OCC)
- Discharge overcurrent detection (OCD)
- Load short-circuit detection (SCP)
- Zero voltage charging for depleted battery
- Factory programmed fault protection thresholds
- Fault detection voltage thresholds
- Fault trigger timers
- Fault recovery timers
- Modes of operation without battery charger enabled
- NORMAL mode ICC = 4 µA
- Shutdown Iq = 100 nA
- Operating temperature range TA = –40°C to +85°C
- Package:
- 6-pin DSE (1.50 mm × 1.50 mm × 0.75 mm)
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Function | Protection | Number of series cells (min) | 1 |
| Number of series cells (max) | 1 | Features | FET drive, Overcurrent during charge (OCC), Overcurrent during discharge (OCD), Overvoltage, Short-circuit Discharge (SCD), Undervoltage |
| Operating current (typ) (µA) | 4 | Rating | Catalog |
| Vin (max) (V) | 8 | Overvoltage protection | 3.85, 4.275, 4.28, 4.35, 4.425 |
| Operating temperature range (°C) | -40 to 85 | Battery overvoltage protection (min) (V) | 3.85 |
| Battery overvoltage protection (max) (V) | 4.6 |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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Step1 :Product
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Step2 :Vacuum packaging
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![Anti-static bag]( "Anti-static bag")
Step3 :Anti-static bag
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![Individual packaging]( "Individual packaging")
Step4 :Individual packaging
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Step6 :bar-code shipping tag
All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
Part points
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The BQ29707DSER chip is a voltage/current protection circuit specifically designed for lithium-ion or lithium-polymer battery packs. It provides accurate monitoring of voltage, current, and temperature, ensuring the safety and reliability of battery operation. The chip can protect against overvoltage, undervoltage, overcurrent, short circuit, and excessive temperature conditions. It is commonly used in various battery-powered applications, such as portable electronics, power tools, and electric vehicles.
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Equivalent
There are currently no direct equivalent products to the BQ29707DSER chip. However, similar products in the market for overvoltage protection include the LTC4365, MAX16052, and TPS25923 chips, which may serve as alternative options. -
Features
The BQ29707DSER is a voltage protection device with features such as undervoltage, overvoltage, and overcurrent protections. It offers a wide input voltage range, low quiescent current, and accurate voltage monitoring. It also includes programmable features like voltage thresholds and timing parameters, making it suitable for a variety of applications. -
Pinout
The BQ29707DSER is a 3-pin, high-accuracy voltage supervisor and protector. It is used to monitor the voltage of a single lithium ion battery cell. The IC has a built-in charge overcurrent and short-circuit protection, making it suitable for use in battery-powered applications. -
Manufacturer
The BQ29707DSER is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company specializing in semiconductors and integrated circuits. It is one of the largest producers of analog integrated circuits and digital signal processors, providing a wide range of products for various industries including automotive, industrial, communications, and consumer electronics. -
Application Field
The BQ29707DSER is a battery protection integrated circuit (IC) designed for Lithium-Ion or Lithium-Polymer rechargeable batteries. It is typically used in applications such as power tools, electric vehicles, energy storage systems, and portable electronics. Its main function is to protect the battery from overcharging, over-discharging, and overcurrent conditions, ensuring safe and efficient operation. -
Package
The BQ29707DSER chip comes in a DSBGA package type, has a 14-pin form, and the package size measures approximately 2mm x 1.4mm.
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