Overview
The BQ24074RGTR, manufactured by Texas Instruments, is a highly integrated linear battery charger and system power path management IC designed for single-cell lithium-ion batteries. This device is tailored for space-constrained portable applications, offering a compact solution with robust features. It supports charging currents up to 1.5A and operates within an input voltage range of 4.35V to 10.2V. The BQ24074RGTR is particularly suited for devices requiring efficient power management, such as smartphones, tablets, and other portable electronics.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Pin Count | 16 | Pin | VQFN16_3X3MM_EP |
| Charging Saturation Voltage | 4.2 | V | |
| Maximum Charging Current | 1.5 | A | |
| Charging Current | Programmable Constant Current | ||
| Number of Supported Cells | 1 | ||
| Battery Type | Lithium-Ion | ||
| Mounting Type | SMT | ||
| Supply Voltage | 4.35~10.2 | V | |
| Height | 0.90 | mm | |
| Dimensions | 3.00 x 3.00 | mm | |
| Operating Temperature | -40~+85 | °C | |
| Lead-Free | Yes |
Key Features
- Fully compliant with USB charger standards, supporting input current limits of 100mA and 500mA.
- Dynamic power management (VIN-DPM) protects against poorly configured USB power sources.
- Integrated dynamic power path management (DPPM) allows simultaneous system power and battery charging.
- Programmable input current limit up to 1.5A for wall adapters.
- Safety features include reverse current, short circuit, and thermal protection.
- NTC thermistor input for temperature monitoring.
- Proprietary start-up sequence limits inrush current.
- Status indicators for charging in progress, charge complete, and power good.
Applications
The BQ24074RGTR is ideal for a variety of portable electronic devices, including smartphones, tablets, digital cameras, and other battery-powered gadgets. Its compact size and efficient power management make it suitable for applications where space and power efficiency are critical. Additionally, its robust protection features ensure safe and reliable operation in diverse environments.
Q & A
What is the maximum charging current supported by BQ24074RGTR?
The BQ24074RGTR supports a maximum charging current of 1.5A.
What type of battery does BQ24074RGTR support?
It supports single-cell lithium-ion batteries.
What is the input voltage range for BQ24074RGTR?
The input voltage range is 4.35V to 10.2V.
Does BQ24074RGTR have thermal protection?
Yes, it includes thermal protection to prevent overheating.
Can BQ24074RGTR charge the battery and power the system simultaneously?
Yes, it features dynamic power path management (DPPM) for simultaneous system power and battery charging.
What is the charging saturation voltage?
The charging saturation voltage is 4.2V.
Is BQ24074RGTR compliant with USB charger standards?
Yes, it is fully compliant with USB charger standards.
What is the operating temperature range?
The operating temperature range is -40°C to +85°C.
Does BQ24074RGTR support NTC thermistor input?
Yes, it supports NTC thermistor input for temperature monitoring.
What is the package type of BQ24074RGTR?
It comes in a VQFN16_3X3MM_EP package.
