BQ25185DLHR
Battery Chargers
Technical Specifications
| Type | Description |
|---|---|
| Working Voltage V | 10.5 V |
| Interface | - |
| Iq A | 4e-06 |
| End-Off Voltage | 2.2V |
| Number of Cells | 1 |
| Battery Temperature Detection | Support |
| 0V Battery Charge | - |
| Type of Battery | Lithium Battery;LiFePO4 Battery |
| Type | Description |
|---|---|
| The Chip Type | Charging IC |
| Balance Current | - |
| Charge Current - Max | 1A |
| Charging Saturation Voltage | 4.4V |
| Operating Temp | -40°C ~ +125°C |
| Features | - |
| Package / Case | WSON-10-EP |
Product Introduction
The BQ25185 is a linear battery charger IC focusing on small solution size and low quiescent current for extending battery life. The device is available in a leadless, small package with a thermal pad giving thermal performance. The device can support up to 1-A charging and system loads of up to 3.125 A.
The battery is charged using a standard Li-ion or LiFePO4 charge profile with three phases: precharge, constant current and constant voltage. Thermal regulation provides the maximum charge current while managing the device temperature. The charger is also optimized for battery to battery charging with 3-V minimum input voltage operation and can withstand 25-V absolute maximum line transients. The device integrates a single push-button input to reduce the total solution footprint.
Features
- 1-A linear battery charger
- 3.0-V to 18-V input voltage operating range
- 25-V tolerant input voltage
- External resistor programmable operation: ILIM/VSET sets battery regulation voltage to 3.6V, 3.65 V, 4.02 V, 4.1V, 4.2 V, 4.35 V, or 4.4 V; ILIM/VSET sets input current limit to 100 mA, 500 mA, or 1100 mA; ISET to set charge current from 5 mA to 1 A
- Li-ion, Li-Poly, and LiFePO4 chemistries support
- 115-mΩ battery FET ON resistance
- Up to 3.125-A discharge current to support high system loads
- Power path management for powering the system and charging the battery
- Regulated system voltage (SYS) at 4.5 V
- Configurable input current limit
- USB Suspend mode supported
- Battery Tracking input voltage dynamic power management (VINDPM) for high impedance input sources
- Dynamic power path management optimizes charging from weak adapters
- Ultra low quiescent current
- 4 μA in Battery Only mode
- 30 μA Input adapter Iq in sleep mode
- 3.2 μA Battery discharge current in Factory Mode
- Integrated fault protection
- Input overvoltage protection (VIN_OVP)
- Battery undervoltage protection (BUVLO)
- Battery short protection (BATSC)
- Battery overcurrent protection (BATOCP)
- Input current limit protection (ILIM)
- Thermal regulation (TREG) and thermal shutdown (TSHUT)
- Battery thermal fault protection (TS)
- Safety timer fault
- ISET and ILIM/VSET pin short/open protection
Applications
- - TWS headset and charging case - Smart glasses, AR and VR - Smart watches and other wearable devices - Retail automation and payment - Building automation
Datasheet
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
Looking for a reliable source for BQ25185DLHR from Texas Instruments? SZ Procure is a China electronics sourcing partner, helping international buyers source components through our supplier network in Shenzhen.
Our Shenzhen sourcing team can help with supplier sourcing, availability checks and quotation comparison for BQ25185DLHR, then coordinate procurement, supplier screening, inspection and international shipping based on what you need.
Looking to source BQ25185DLHR? Submit an RFQ and let our Shenzhen sourcing team check available supplier options for you.