Texas Instruments PWR710-EVM, User Manual

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Description
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2 SLUUBA9A – June 2015 – Revised February 2017
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Copyright © 2015–2017, Texas Instruments Incorporated
Using the TPS53647: PWR710-EVM, 4-Phase, D-CAP+ Step-Down, DC-DC
Analog with PMBus Interface
1.2 Features
• Regulated 1.0-V output up to 120-A DC steady state output current
• Output can be marginable and trimmable via the PMBus interface
• Programmable through PMBus interface
– UVLO protection threshold
– Soft-start slew-rate
– Device enable and disable
– Overcurrent warning and fault limits
– SW frequency
– BOOT voltage
• Convenient test points for probing critical waveforms
2 Electrical Performance Specifications
Table 1. PWR710-EVM Electrical Performance Specifications
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
INPUT CHARACTERISTICS
V
IN
Voltage range 8 12 14 V
I
IN(max)
Maximum input current V
IN
= 8 V, I
OUT
= 120 A 17 A
No load input current V
IN
= 14 V, I
OUT
= 0 A 120 mA
OUTPUT CHARACTERISTICS
V
OUT
Output voltage 1.0 V
I
OUT
Output load current 0 120 A
Output voltage line regulation 8 V ≤ V
IN
≤ 14 V 0.03%
Output voltage load regulation 0 A ≤ I
OUT
≤ 120 A 0.03%
V
RIPPLE
Output voltage ripple V
IN
= 12 V, I
OUT
= 120 A 3.8 mVpp
Output overcurrent protection
(OCP)
150 A
SYSTEMS CHARACTERISTICS
f
SW
Switching frequency V
IN
= 12 V 500 kHz
Peak efficiency V
IN
= 12 V, I
OUT
= 74 A 91%
Full-load efficiency V
IN
= 12 V, I
OUT
= 120 A 90%
T
J
Operating temperature 25 ºC