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BQ29700DSER
+NomenclatureIC BATT PROT LI-ION 1CELL 6WSON
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FabricantTexas Instruments
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Pièce fabricant #BQ29700DSER
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Package WSON-6
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En stock2185
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Battery Protection |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 |
| Fault Protection | Over Current, Over/Under Voltage, Short Circuit |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Présentation
Description
Key features of the BQ29700DSER include a low quiescent current, making it energy efficient, and a compact package, enhancing its applicability in compact battery-powered devices. It is part of the BQ297xx series, which comprises various configurations to accommodate different voltage and current specifications, allowing for customization based on specific design requirements.
The device is commonly used in consumer electronics, power tools, and other portable devices where maintaining the integrity of the battery is crucial. Its robust protection mechanisms help prevent damage to the battery, prolonging its lifespan and ensuring user safety.
Equivalent
1. S-8241 Series by Seiko Instruments: A similar battery protection IC series for lithium-ion batteries.
2. R5432 Series by Ricoh: Offers overcharge, over-discharge, and overcurrent protection for lithium-ion batteries.
3. DS2762 by Maxim Integrated: A battery protection IC with similar functionalities.
Always verify compatibility with specific applications, as features may vary.
Features
1. Overvoltage Protection: It prevents overcharging by disconnecting the battery from the charger when the voltage exceeds a specified threshold.
2. Undervoltage Protection: Protects the battery from excessive discharge by disconnecting the load when the voltage drops below a set level.
3. Overcurrent Protection: Detects and mitigates overcurrent conditions during charging and discharging by controlling the external FETs.
4. Short Circuit Protection: Provides rapid response to short-circuit conditions to safeguard the battery.
5. Low Power Consumption: Designed to minimize power usage in normal operation and standby modes, enhancing battery life.
6. Small Package Size: Available in a compact package, suitable for space-constrained applications.
7. Adjustable Parameters: Certain protection thresholds can be customized to meet specific battery management requirements.
These features make the BQ29700DSER suitable for portable electronics, power tools, and other applications requiring reliable battery protection.
Pinout
1. V- (Pin 1): Connects to the negative terminal of the battery; used for voltage sensing and power.
2. VC (Pin 2): Connects to the positive terminal of the battery; used for voltage sensing.
3. TD (Pin 3): Connects to a timing capacitor; used to set the delay time for overcurrent and short-circuit protection.
4. VSS (Pin 4): Ground pin for the IC.
5. OUT (Pin 5): Controls the gate of an external N-channel MOSFET for discharging the battery.
6. COUT (Pin 6): Controls the gate of an external N-channel MOSFET for charging the battery.
The BQ29700DSER provides essential protection features such as overcharge, over-discharge, overcurrent, and short-circuit protection, ensuring the safety and longevity of battery packs.