Overview
The TPS61236PRWLR is a high-efficiency, synchronous boost DC-DC converter produced by Texas Instruments. This device is designed to operate from an input voltage range of 2.3 V to 4.9 V and can generate an output voltage up to 5.5 V. It features a programmable constant output current limit, making it versatile for various applications requiring controlled current output.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.3 V to 4.9 V |
| Output Voltage Range | Up to 5.5 V |
| Maximum Output Current | Up to 3.5 A |
| Switching Frequency | 1 MHz (PWM mode) |
| High Side MOSFET On Resistance | 14 mΩ to 30 mΩ |
| Low Side MOSFET On Resistance | 14 mΩ to 30 mΩ |
| Constant Output Current Limit Accuracy | -15% to 15% (depending on RCC and TJ) |
| Switch Valley Current Limit | 6.5 A to 9.5 A |
| Thermal Shutdown Threshold | 140°C |
| Package Type | 9-VFQFN |
Key Features
- Programmable constant output current limit to control the maximum output current.
- High-efficiency operation with PWM and power save modes to minimize quiescent current.
- Internal 10-A, 14-mΩ power switches for high current handling.
- Output current monitor and load status indication.
- Thermal shutdown protection with a hysteresis of 15°C.
- Compact 9-VFQFN package.
Applications
The TPS61236PRWLR is suitable for a variety of applications, including:
- Portable electronics such as smartphones, tablets, and laptops.
- Power supplies for IoT devices and wearables.
- Automotive systems requiring high-efficiency DC-DC conversion.
- Industrial control systems and automation equipment.
- Battery-powered devices where efficient power management is crucial.
Q & A
- What is the input voltage range of the TPS61236PRWLR?
The input voltage range is from 2.3 V to 4.9 V. - What is the maximum output voltage of the TPS61236PRWLR?
The maximum output voltage can be up to 5.5 V. - What is the maximum output current of the TPS61236PRWLR?
The maximum output current is up to 3.5 A. - What is the switching frequency of the TPS61236PRWLR in PWM mode?
The switching frequency is 1 MHz in PWM mode. - Does the TPS61236PRWLR have thermal shutdown protection?
Yes, it has thermal shutdown protection with a threshold of 140°C and a hysteresis of 15°C. - What package type is the TPS61236PRWLR available in?
The TPS61236PRWLR is available in a 9-VFQFN package. - Can the output current of the TPS61236PRWLR be programmed?
Yes, the output current can be programmed using the constant output current limit feature. - What is the purpose of the EN pin on the TPS61236PRWLR?
The EN pin is the enable logic input. Logic high enables the device, while logic low disables it and puts it in shutdown mode. - What is the function of the INACT pin on the TPS61236PRWLR?
The INACT pin is for load status indication and is an open-drain output. - Does the TPS61236PRWLR support power save mode?
Yes, it operates in power save mode under light load conditions to minimize quiescent current and enhance efficiency.
