Texas Instruments TPS65270 High Current, Synchronous Step Down Dual Buck DC/DC Converter Evaluation Module TPS65270QEVM TPS65270QEVM 데이터 시트
제품 코드
TPS65270QEVM
1
Introduction
This document presents the information required to power the TPS65270 PMIC as well as the support
documentation including schematic and bill of materials.
documentation including schematic and bill of materials.
2
Background
The TPS65270 PMIC is designed to provide 2-A and 3-A continuous currents with an operational range of
4.5 V to 16 V and an externally set switching frequency ranging from 300 kHz to 1.4 MHz. When the PMIC
is not fully loaded, Buck1 can be loaded to 2.5 A and Buck2 to 3.5 A.
4.5 V to 16 V and an externally set switching frequency ranging from 300 kHz to 1.4 MHz. When the PMIC
is not fully loaded, Buck1 can be loaded to 2.5 A and Buck2 to 3.5 A.
As there are many possible options to set the converters,
presents the performance specification
summary for the EVM.
Table 1. Input Voltage and Output Current Summary
EVM
TEST CONDITIONS
OUTPUT CURRENT RANGE
Buck1, 1.8 V, up to 2 A
V
IN
= 4.5 V to 16 V
TPS65270EVM
Buck2, 1.2 V, up to 3 A
f
sw
= 620 kHz
(25
°
C ambient)
This evaluation module is designed to provide access to the features of the TPS65270. Some
modifications can be made to this module to test performance at different input and output voltages,
current and frequency operation. Please contact TI Field Applications Group for advice on these matters.
modifications can be made to this module to test performance at different input and output voltages,
current and frequency operation. Please contact TI Field Applications Group for advice on these matters.
5
SLVU474B
–
August 2011
–
Revised December 2011
List of Tables
Copyright
©
2011, Texas Instruments Incorporated