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BQ25173DSGR
+BOMIC BATT CHG SUPERCAP 4CELL 8WSON
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #BQ25173DSGR
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Part Status | Active |
| Base Product Number | BQ25173 |
| Battery Chemistry | Supercapacitor |
| Number of Cells | 1 ~ 4 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Current, Voltage |
| Fault Protection | Over Current, Over Voltage, Short Circuit |
| Charge Current - Max | 800mA |
| Battery Pack Voltage | 10.5V (Max) |
| Voltage - Supply (Max) | 18V |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package | 8-WFDFN Exposed Pad |
| Supplier Device Package | 8-WSON (2x2) |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
Tổng quan
Description
Key features include programmable charge current, pre-charge and termination current settings, and a battery temperature monitoring function for enhanced protection. It also integrates a Power Good output to indicate the status of the input power. Additionally, the BQ25173DSGR provides safety features such as over-voltage protection, thermal regulation, and timers for pre-charge, fast charge, and termination.
This charger is typically used in applications such as wearable devices, medical equipment, and other portable electronics that require reliable and efficient battery management solutions. Its small footprint, flexibility, and robust safety features make it an ideal choice for designers focusing on optimizing battery charging performance.
Equivalent
1. MCP73831 by Microchip Technology - A simple linear battery charger.
2. MAX1811 by Maxim Integrated - Another linear charger for single-cell Li-ion batteries.
3. LTC4054 by Analog Devices - Offers similar charging capabilities.
4. TP4056 by NanJing Top Power ASIC Corp - Widely used linear charger IC.
These alternatives may vary in features such as charging current, input voltage, and package type. Always check specific requirements for compatibility.
Features
1. Input Voltage Range: Supports a wide input voltage range of 3.0V to 17V, making it versatile for various power sources.
2. Charge Current: Offers programmable charge current up to 1A, allowing customization based on battery and system requirements.
3. Termination: Features programmable termination and pre-charge current, providing flexibility in charge cycle management.
4. Low Quiescent Current: Has a low quiescent current of 2.5 µA in battery-only mode, enhancing battery life when not charging.
5. Safety Features: Includes battery temperature monitoring, over-voltage protection, and a safety timer for improved reliability and protection.
6. Status Indication: Provides charge status indication via STAT pin for easy monitoring.
7. Package: Available in a small 8-pin WSON package, ideal for space-constrained applications.
This IC is suitable for use in portable devices, wearable technology, and other battery-powered applications requiring efficient charging solutions.
Pinout
Key functions include:
- Input Voltage Range: Supports a wide input voltage range suitable for USB and adapter charging.
- Charging Current: Programmable charging current to accommodate various battery capacities.
- Battery Voltage Regulation: Ensures the battery is charged to its proper voltage.
- Safety Features: Includes over-voltage, over-current, and thermal protection to ensure safe operation.
It is suitable for applications like wearable devices, fitness accessories, and other portable electronics, where efficient and safe battery charging is crucial.