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BQ25185DLHR
+Stückliste1-CELL, 1-A STAND-ALONE LINEAR B
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HerstellerTexas Instruments
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Herstellerteil #BQ25185DLHR
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Datenblatt BQ25185DLHR DataSheet
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Auf Lager21959
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| PartStatus | Active |
| BatteryChemistry | Multi-Chemistry |
| NumberofCells | 1 |
| Current-Charging | Constant - Programmable |
| ProgrammableFeatures | Current, Timer, Voltage |
| FaultProtection | Over Current, Over Temperature, Over-Under Voltage, Short Circuit |
| ChargeCurrent-Max | 1A |
| BatteryPackVoltage | 3.6V, 3.65V, 4.02V, 4.1V, 4.2V, 4.35V, 4.4V |
| Voltage-Supply(Max) | 18V |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 10-WFDFN Exposed Pad |
| SupplierDevicePackage | 10-WSON (2.2x2) |
Übersicht
Description
Equivalent
1. Microchip MCP73871: A Li-Ion/Li-Polymer charger with power-path management.
2. Analog Devices LTC4079: Offers similar battery charging capabilities.
3. ON Semiconductor NCP1851: A battery charger with integrated power path management.
These alternatives offer similar functionalities like battery charging and power management for low-power applications. Make sure to verify the specific requirements like voltage, current, and features.
Features
1. Input Voltage Range: It supports an input voltage range from 3.9V to 18V.
2. Battery Charging: Offers linear charging for single-cell Li-Ion and Li-Polymer batteries.
3. Programmable Features: Allows programmable charge current, voltage, and termination settings through I2C interface.
4. Low Quiescent Current: Designed for low power consumption to extend battery life, with quiescent current as low as 700nA.
5. Integrated LDO: Includes a 300mA Low-Dropout Regulator (LDO) to supply system power.
6. Protection Features: Incorporates safety mechanisms like over-voltage, over-current, and thermal protection.
7. Power Path Management: Supports dynamic power path management for simultaneous charging and system operation.
8. Battery Monitoring: Provides real-time battery monitoring and fault indication capabilities.
9. Package: Available in a small, compact package, suitable for space-constrained applications.
10. Applications: Ideal for wearable devices, portable electronics, and other battery-powered applications.
These features make the BQ25185DLHR a versatile and efficient choice for battery management in various electronic devices.
Pinout
The pin functions are typically as follows:
1. VIN: Input power supply.
2. SYS: System output.
3. BAT: Battery connection.
4. NCHG: Charge status indicator (open-drain).
5. VBUS: USB or adapter power input.
6. TS: Temperature sense for battery.
7. I2C SDA: I2C data line.
8. I2C SCL: I2C clock line.
9. CE: Chip enable.
10. PG: Power good indicator (open-drain).
11. GND: Ground connection.
12. INT: Interrupt (open-drain).
These pins support functions such as battery charging, system power management, and communication with a host processor via I2C. The device is designed to support single-cell lithium-ion or lithium-polymer batteries and features various safety and power management features, making it suitable for compact and energy-efficient applications.
Manufacturer
Application
1. Wearable Devices: Ideal for smartwatches and fitness trackers due to its compact size and low power consumption.
2. Medical Devices: Used in portable medical equipment like hearing aids and health monitors.
3. IoT Devices: Suitable for powering small, low-power Internet of Things devices.
4. Consumer Electronics: Applied in wireless earbuds and other compact gadgets.
5. Rechargeable Accessories: Utilized in charging cases and portable power packs for efficient battery management.
The IC is valued for its small footprint, integrated power path management, and efficient charging capabilities.