Overview
The TPS40140RHHR, produced by Texas Instruments, is a multifunctional synchronous buck controller designed for high-performance power management applications. This controller can be configured to provide either a single-output 2-phase power supply or two independent output voltages. It supports stackable configurations, allowing up to 16 phases to be combined for high-density power supplies. The TPS40140RHHR features programmable switching frequencies up to 1 MHz per phase and supports prebiased outputs, making it versatile for various high-power applications.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| VDD (Input Voltage) | -0.3 | - | 15 | V |
| SW1, SW2 (Switch Voltage) | -1 | - | 40 | V |
| BOOT1, BOOT2 (Boot Voltage) | -0.3 | - | VSW + 6.0 | V |
| Operating Junction Temperature | -40 | - | 150 | °C |
| Storage Temperature | -55 | - | 150 | °C |
| Switching Frequency | - | - | 1 MHz | - |
| Output Voltage Range | 0.7 | - | 5.8 | V |
| Maximum Duty Cycle | - | - | 87.5% | - |
| Package Type | - | - | VQFN (36 pins) | - |
| Body Size | - | - | 6.00 mm × 6.00 mm | - |
Key Features
- Programmable switching frequency up to 1 MHz per phase
- Supports prebiased outputs
- Dual-output or 2-phase interleaved operation, stackable to 16 phases
- 0.5% internally trimmed 0.7-V reference
- 10-μA shutdown current
- Current mode control with forced current sharing
- 1- to 40-V power stage operation range
- True remote sensing differential amplifier
- Programmable input undervoltage lockout (UVLO)
- Resistive or inductor DCR current sensing
- Power good indicators
Applications
- Graphic cards
- Internet servers
- Networking equipment
- Telecommunications equipment
- DC power distributed systems
- High-density telecom and wireless systems
- Data center servers
- 3G base stations
Q & A
- What is the maximum switching frequency of the TPS40140RHHR? The maximum switching frequency is up to 1 MHz per phase.
- What is the output voltage range of the TPS40140RHHR? The output voltage range is from 0.7 V to 5.8 V.
- Can the TPS40140RHHR be stacked for higher power applications? Yes, it can be stacked up to 16 phases for higher power applications.
- What is the package type of the TPS40140RHHR? The package type is VQFN with 36 pins.
- What is the body size of the TPS40140RHHR? The body size is 6.00 mm × 6.00 mm.
- What are the key applications of the TPS40140RHHR? Key applications include graphic cards, internet servers, networking equipment, telecommunications equipment, and data center servers.
- Does the TPS40140RHHR support remote sensing? Yes, it supports true remote sensing differential amplifier.
- What is the shutdown current of the TPS40140RHHR? The shutdown current is 10 μA.
- Can the TPS40140RHHR operate with different input voltage rails? Yes, it supports power sharing from different input voltage rails.
- What is the thermal shutdown temperature of the TPS40140RHHR? The thermal shutdown temperature is 155°C.
