Overview
The TPS650250RHBR is an integrated power management IC (PMIC) designed by Texas Instruments for applications that require multiple power rails. This device is particularly suited for processor-based systems, providing efficient power management for core voltage, peripheral, I/O, and memory rails. The TPS650250 integrates three highly efficient step-down converters and two general-purpose LDO voltage regulators, making it a comprehensive solution for complex power management needs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | VQFN (32) | - |
| Package Size | 5.00 mm × 5.00 mm | - |
| Operating Temperature Range | -40 to 85 | °C |
| Step-Down Converter 1 (VDCDC1) | 1.6 A, 97% Efficient | - |
| Output Voltage VDCDC1 | 3.3 V, 2.8 V, or Adjustable | V |
| Step-Down Converter 2 (VDCDC2) | 0.8 A, up to 95% Efficient | - |
| Output Voltage VDCDC2 | 1.8 V, 2.5 V, or Adjustable | V |
| Step-Down Converter 3 (VDCDC3) | 0.8 A, 90% Efficient | - |
| Output Voltage VDCDC3 | Adjustable | V |
| LDOs (LDO1 and LDO2) | 2 × 200 mA | - |
| LDO for Vdd_alive | 30 mA | - |
| Switching Frequency | 2.25 MHz | - |
| Quiescent Current | 85 μA | - |
| Thermal Shutdown Protection | Yes | - |
Key Features
- Three highly efficient step-down converters: VDCDC1 (1.6 A, 97% efficient), VDCDC2 (0.8 A, up to 95% efficient), and VDCDC3 (0.8 A, 90% efficient)
- Adjustable output voltages for all step-down converters
- Two general-purpose 200-mA LDO voltage regulators (LDO1 and LDO2)
- 30-mA LDO for Vdd_alive
- Dynamic voltage management for processor core
- Separate enable pins for inductive converters
- 2.25-MHz switching frequency
- 85-μA quiescent current
- Thermal shutdown protection
Applications
- Cellular and smart phones
- GPS devices
- Digital still cameras
- Split supply DSP and μP solutions
- Samsung ARM-based processors
Q & A
- What is the TPS650250RHBR?
The TPS650250RHBR is an integrated power management IC designed for applications requiring multiple power rails.
- What are the key step-down converters in the TPS650250RHBR?
The device includes three step-down converters: VDCDC1 (1.6 A, 97% efficient), VDCDC2 (0.8 A, up to 95% efficient), and VDCDC3 (0.8 A, 90% efficient).
- What are the output voltage options for the step-down converters?
VDCDC1 can be set to 3.3 V, 2.8 V, or adjustable; VDCDC2 can be set to 1.8 V, 2.5 V, or adjustable; VDCDC3 is adjustable.
- What LDOs are integrated into the TPS650250RHBR?
The device includes two general-purpose 200-mA LDOs (LDO1 and LDO2) and a 30-mA LDO for Vdd_alive.
- What is the switching frequency of the TPS650250RHBR?
The switching frequency is 2.25 MHz.
- Does the TPS650250RHBR have thermal shutdown protection?
Yes, it does.
- What is the quiescent current of the TPS650250RHBR?
The quiescent current is 85 μA.
- What are the typical applications of the TPS650250RHBR?
It is used in cellular and smart phones, GPS devices, digital still cameras, split supply DSP and μP solutions, and Samsung ARM-based processors.
- What is the operating temperature range of the TPS650250RHBR?
The operating temperature range is -40°C to 85°C.
- What is the package type and size of the TPS650250RHBR?
The package type is VQFN (32) with a size of 5.00 mm × 5.00 mm.
