Overview
The PTD08D210W is a high-performance, dual 10-A output, non-isolated digital PowerTrain module produced by Texas Instruments. This module is designed to be part of a sophisticated power management system, integrating with digital power controllers 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 a wide range of output voltages from 0.7 V to 3.6 V. The module is particularly suited for advanced computing and server applications due to its flexible 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 12 V input, 750 kHz) | - | Up to 96% | - | % |
| Operating Temperature | -40 | - | 85 | °C |
| Switching Frequency | - | 500 kHz, 750 kHz, 1 MHz | - | Hz |
| Output Voltage Ripple (peak-to-peak) | - | 11 mVPP | - | mV |
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 PWM signal, fault flag, and synchronous rectifier enable
- Analog I/O for temperature and output current monitoring
- Single-sided, pin-less surface mount construction for low profile and compact footprint
- Lead (Pb) - free and RoHS compatible
- Output over-current and temperature monitoring for fault protection
Applications
The PTD08D210W 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 versatile for various digital power systems. The module is also ideal for use in conjunction with digital power controllers such as the UCD9XXX family.
Q & A
- What is the input voltage range of the PTD08D210W?
The input voltage range is from 4.75 V to 14 V.
- What is the maximum output current per channel?
The maximum output current per channel is 10 A.
- What is the output voltage adjust range?
The output voltage can be adjusted from 0.7 V to 3.6 V.
- What are the typical switching frequencies supported by the PTD08D210W?
The module supports switching frequencies of 500 kHz, 750 kHz, and 1 MHz.
- What is the operating temperature range of the PTD08D210W?
The operating temperature range is from -40°C to 85°C.
- Is the PTD08D210W lead-free and RoHS compliant?
- What kind of protection does the PTD08D210W offer?
The module includes output over-current and temperature monitoring for fault protection.
- How does the PTD08D210W integrate with digital power controllers?
The module receives control signals from digital controllers like the UCD9240, UCD9220, or UCD9110 family and provides parametric and status information back to the controller.
- What is the typical efficiency of the PTD08D210W?
The efficiency can be up to 96% depending on the input voltage and output conditions.
- What is the recommended cooling method for the PTD08D210W?
The thermal pad should be soldered to a grounded copper pad on the host board, and multiple vias should be used to tie the pad to the host board's internal ground plane for optimum cooling performance.
