Overview
The PTD08D210WACT, produced by Texas Instruments, is a high-performance dual 10-A output, non-isolated digital PowerTrain module. This module is designed to be the power conversion section of a digital power system, integrating with TI's UCD7242 MOSFET/driver IC and requiring a digital power controller such as the UCD9240, UCD9220, or UCD9110 family. It operates within an input voltage range of 4.75 V to 14 V and provides step-down power conversion to output voltages ranging from 0.7 V to 3.6 V. The module is particularly suited for advanced computing and server applications due to its wide input voltage range and high efficiency.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 4.75 | 14 | V | |
| Output Current | 0 | 10 | A | |
| Output Voltage Adjust Range | 0.7 | 3.6 | V | |
| Efficiency (at 750 kHz, 12 V input) | 92.8% (VO = 3.3 V) | % | ||
| Operating Temperature | -40 | 85 | °C | |
| Switching Frequency | 500 kHz to 1 MHz | |||
| Output Ripple (peak-to-peak) | 11 mVPP |
Key Features
- Dual 10-A outputs with programmable wide-output voltage range (0.7 V to 3.6 V)
- High efficiency up to 96%
- Digital I/O for control signals and status information
- Analog I/O for temperature and current monitoring
- Synchronous Rectifier Enable (SRE) and PWM signal control
- Output over-current and temperature monitoring
- Single-sided, pin-less surface mount construction for low profile and compact footprint
- Lead (Pb) - free and RoHS compatible
Applications
The PTD08D210WACT is particularly suitable for advanced computing and server applications that utilize loosely regulated intermediate distribution buses. It supports operation with tightly regulated 5-V or 12-V intermediate bus architectures, making it flexible for various design requirements. The module is also used in digital power systems, especially those controlled by UCD9XXX digital controllers.
Q & A
- What is the input voltage range of the PTD08D210WACT?
The input voltage range is from 4.75 V to 14 V.
- What are the maximum output currents for each output channel?
Each output channel can deliver up to 10 A.
- What is the output voltage adjust range of the module?
The output voltage can be adjusted from 0.7 V to 3.6 V.
- What are the typical efficiencies of the module at different output voltages?
Efficiencies range from 84% to 92.8% depending on the output voltage and switching frequency.
- What is the operating temperature range of the PTD08D210WACT?
The module operates from -40°C to 85°C.
- How does the module communicate with the digital power controller?
The module uses digital I/O for control signals and status information, and analog I/O for temperature and current monitoring.
- What safety features does the module include?
The module includes output over-current and temperature monitoring, and it is designed to protect against most load faults.
- Is the PTD08D210WACT RoHS compliant?
- What is the recommended switching frequency range for the module?
The switching frequency can range from 500 kHz to 1 MHz.
- How should the thermal pad of the module be handled for optimal cooling?
The thermal pad should be soldered to a grounded copper pad on the host board, and tied with multiple vias to the host board internal ground plane for optimal cooling performance.
