BQ24120RHLT
The BQ24120RHLT from Texas Instruments is a battery charger circuit designed for single-cell batteries. It features programmable charge current and timer settings, with a maximum charge current of 2A and supports a battery pack voltage of 4.2V.
Description
Product parameter
|
Type |
Parameter |
|
Category |
Power Management (PMIC) |
|
Subcategory |
Battery Chargers |
|
Manufacturer |
Texas Instruments |
|
Series |
bqSWITCHER™ |
|
Battery Chemistry |
Lithium Ion/Polymer |
|
Number of Cells |
1 |
|
Current - Charging |
Constant - Programmable |
|
Programmable Features |
Current, Timer |
|
Fault Protection |
Over Temperature |
|
Charge Current - Max |
2A |
|
Battery Pack Voltage |
4.2V |
|
Voltage - Supply (Max) |
16V |
|
Operating Temperature |
-40°C ~ 85°C (TA) |
|
Mounting Type |
Surface Mount |
|
Package / Case |
20-VFQFN Exposed Pad |
|
Supplier Device Package |
20-VQFN (3.5x4.5) |
|
Base Product Number |
BQ24120 |
Features
- Versatile Battery Compatibility:
- The BQ24120RHLT is suitable for charging 1-, 2-, or 3-cell Li-ion and Li-Polymer battery packs, making it versatile for various battery configurations.
- Comprehensive Status Outputs:
- It provides status outputs for LED or host processor interface, indicating charge progress, completion, fault conditions, and AC-adapter presence, ensuring clear and actionable feedback.
- Integrated Power FETs:
- With integrated power FETs supporting a charge rate of up to 2A, this circuit's design is made simpler and uses fewer components.
- Synchronous PWM Controller:
- The device operates with a synchronous fixed-frequency PWM controller at 1.1 MHz, allowing for a wide duty cycle range from 0% to 100%, which enhances charging efficiency.
Application
- The BQ24120RHLT is made to charge a variety of battery-powered and portable gadgets effectively. It is perfect for industrial or medical equipment, portable media players, and mobile electronics. Moreover, it supports DVD players and portable devices, offering dependable battery management and top performance for a range of uses.
Players of Portable Media: Ideal for gadgets such as portable music players and MP3 players.
Medical and Industrial Equipment: Performs effectively in tough or medical devices that require dependable power control.
Transportable Equipment: Fits a range of portable devices and tools.
Handheld DVD Players: Suitable for DVD players that run on batteries.
Handheld Devices: Perfect for portable electronics that need quick charging.
About us
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FAQ
Q: What is the BQ24120RHLT's maximum charging rate?
Q: Which kinds of battery packs can I use this circuit with?
Q: What frequency does the PWM controller of the BQ24120 operate at?
Q: For what purposes does this circuit use its status outputs?
Q: What is the IN and OUT pins' absolute maximum voltage rating?
Q: How is battery temperature monitoring handled by the BQ24120?
Q: Which characteristics of this model guard against battery drain?
Q: What type of management of power usage does the BQ24120 provide?
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