Overview
The BQ27210DRKR is a monolithic integrated circuit (IC) designed and manufactured by Texas Instruments. It is a Fuel Gauge Li-Ion/Li-Pol IC that provides accurate time-to-empty measurements at both measured and host-requested load values. The IC reports available capacity compensated for discharge rate, temperature, and age, and features end-of-discharge voltage compensation for discharge rate and temperature. This power management IC is designed to monitor and control battery charging, discharging, and capacity measurements in portable devices such as smartphones, tablets, and wearables, ensuring optimal performance and safety of the battery-powered devices.
Key Specifications
| Series | BQ27210 |
|---|---|
| Function | Battery Monitor |
| Battery Chemistry | Lithium Ion/Polymer |
| Interface | I²C |
| Operating Temperature | -20°C to 70°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | VSON-10 |
| Supplier Device Package | 10-VSON (3x4) |
| Base Product Number | BQ27210 |
| Manufacturer | Texas Instruments |
| Product Category | Battery Management |
| Battery Type | Lithium-ion, Lithium Polymer |
| Operating Supply Voltage | 2.6 V to 4.5 V |
| Output Current | 5 mA |
| Maximum Operating Temperature | + 70°C |
| Minimum Operating Temperature | - 20°C |
| Height | 0.88 mm |
| Length | 4 mm |
| Width | 3 mm |
| Factory Pack Quantity | 3000 |
| Subcategory | PMIC - Power Management ICs |
| Type | Gas Gauge |
Key Features
- Accurate time-to-empty at both measured and host-requested load values
- Reports available capacity compensated for discharge rate, temperature, and age
- End-of-discharge voltage compensated for discharge rate and temperature
- Power management IC designed to monitor and control battery charging, discharging, and capacity measurements
- Suitable for portable devices such as smartphones, tablets, and wearables
- HDQ (bq27010) or I²C (bq27210) communication interface
- Automatic capacity reduction with age
- Reports temperature, voltage, and current
- High accuracy charge and discharge current integration with automatic offset calibration
- Requires no user calibration
- Programmable input/output port
- Internal user EEPROM configuration memory
- Uploadable coefficients allow host-side use with multiple pack characteristics
- Stable oscillator without external components
- Dynamic end-of-discharge detection delay to allow use in a high-dynamic load environment
- Automatic sleep mode when communication lines are low
- Available in a small 3 mm x 4 mm QFN package
- Five low-power operating modes: Active, Sleep, Ship, Hibernate, and Data Retention
Applications
The BQ27210DRKR is suitable for various applications including:
- Smartphones and mobile devices
- Tablets and e-readers
- Wearables and smartwatches
- Battery-powered devices in industrial, automotive, and consumer electronics sectors
- PDA, MP3 players, digital cameras, internet appliances, and handheld devices
Q & A
- What is the BQ27210DRKR used for?
The BQ27210DRKR is a Fuel Gauge IC used to monitor and control battery charging, discharging, and capacity measurements in portable devices.
- What types of batteries does the BQ27210DRKR support?
The BQ27210DRKR supports Lithium-ion and Lithium-polymer batteries.
- What is the operating temperature range of the BQ27210DRKR?
The operating temperature range is -20°C to 70°C.
- What communication interfaces does the BQ27210DRKR support?
The BQ27210DRKR supports I²C communication interface.
- Does the BQ27210DRKR require user calibration?
No, the BQ27210DRKR requires no user calibration.
- What are the key features of the BQ27210DRKR's power management capabilities?
It reports accurate time-to-empty, available capacity, and end-of-discharge voltage, and it monitors temperature, voltage, and current.
- What are the low-power operating modes of the BQ27210DRKR?
The BQ27210DRKR has five low-power operating modes: Active, Sleep, Ship, Hibernate, and Data Retention.
- What is the package type and dimensions of the BQ27210DRKR?
The BQ27210DRKR is housed in a 10-pin VSON package with dimensions of 3 mm x 4 mm x 0.88 mm.
- What are some common applications of the BQ27210DRKR?
Common applications include smartphones, tablets, wearables, and other battery-powered devices in industrial, automotive, and consumer electronics sectors.
- How does the BQ27210DRKR handle dynamic load environments?
The BQ27210DRKR features dynamic end-of-discharge detection delay to allow use in high-dynamic load environments.
