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Texas Instruments TPSM64406EVM Evaluation Module (EVM)

Texas Instruments TPSM64406EVM Evaluation Module (EVM) showcases the features and performance of the TPSM64406, a dual buck DC/DC module with integrated power MOSFETs and inductor. The evaluation module provides dual 3A outputs. The output voltages can be individually programmed to a fixed 3.3V or 5V or adjustable using external feedback resistors.

The default switching frequency at full load is programmed to 1MHz. The switching mode at the light load is selectable between FPWM and PFM mode. Each channel can be enabled or disabled by a jumper selection. Finally, the spread spectrum can be enabled or disabled by a configuration resistor selection. The Texas Instruments TPSM64406EVM is designed to demonstrate the device’s full capabilities on a single PCB design.

Features

Functional Safety-Capable
- Documentation available to aid functional safety system design
Versatile dual output voltage or multiphase single output synchronous buck module
- Integrated MOSFETs, inductor, and controller
- Wide input voltage range of 6.3V to 36V
- Adjustable output voltage from 0.8V to 16V
- 6.5mm × 7.0mm × 2mm over-molded package
- -40°C to 125°C junction temperature range
- Negative output voltage capability
Ultra-high efficiency across the full load range
- Peak efficiency of 94%+
- External bias option for improved efficiency
- Exposed Pad for low thermal impedance
  - Evaluation module θ_JA = 18.2°C/W

Ultra-low conducted and radiated EMI signatures
- Low-noise package with dual input paths and integrated capacitors reduces switch ringing
- Input EMI filter with electrolytic capacitor for parallel damping
- Resistor selectable spread spectrum
- Constant-frequency FPWM mode of operation
- Meets CISPR 11 and 32 Class B emissions
An excellent choice for scalable power supplies
4-layer, 2oz PCB design
Inherent protection features for robust design
- Precision enable input and open-drain PGOOD indicator for sequencing, control, and V_IN UVLO
- Over-current and thermal shutdown protections

Applications

Test and measurement, aerospace and defense
Factory automation and control
Buck and inverting buck-boost power supplies

Texas Instruments TPSM64406EVM Evaluation Module (EVM)

Features

Applications

Board Layout

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