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BQ25170DSGR

The BQ25170DSGR is a highly integrated, multi-protection battery charge management device from Texas Instruments. It is designed to provide efficient and safe charging for single-cell lithium-ion (Li-ion) and lithium-polymer (Li-poly) batteries.

Description:

The BQ25170DSGR is a compact, high-efficiency battery charger that integrates a power switch, current sense resistor, and thermal regulation features. It is available in a small, thermally enhanced DSG (DFN-10) package, making it suitable for space-constrained applications.

Features:

1. Multi-chemistry support: Compatible with Li-ion and Li-poly batteries.
2. High efficiency: Up to 95% peak efficiency for reduced power dissipation and improved thermal performance.
3. Precise current and voltage regulation: Provides accurate charging profiles for improved battery life and performance.
4. Integrated power switch and current sense resistor: Reduces external component count and saves space on the PCB.
5. Multi-protection features: Over-current protection (OCP), short-circuit protection (SCP), over-voltage protection (OVP), and thermal regulation to ensure safe and reliable operation.
6. I2C programmability: Allows for easy configuration and monitoring of charger parameters.
7. Thermal regulation: Adaptive charging current based on temperature to optimize performance and safety.
8. USB charging port: Supports USB power delivery (PD) and charging through a USB-C or micro-USB connector.
9. Small form factor: DFN-10 package for space-constrained applications.

Applications:

1. Portable electronic devices: Smartphones, tablets, and wearables.
2. IoT devices: Smart home devices, fitness trackers, and smart speakers.
3. Wireless audio devices: Bluetooth headphones and speakers.
4. Medical devices: Wearable health monitors and portable medical instruments.
5. Consumer electronics: Portable gaming devices, e-readers, and cameras.

The BQ25170DSGR is an ideal choice for designers looking for a highly integrated, efficient, and safe battery charging solution for single-cell Li-ion and Li-poly applications. Its compact form factor, multi-protection features, and I2C programmability make it suitable for a wide range of portable electronic devices.