Texas Instruments TPS65276V PMIC, Руководство пользователя

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Introduction
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1 Introduction
This document presents the information required to operate the TPS65276V PMIC as well as the support
documentation including schematic, layout, hardware setup, software installation and bill of materials.
2 Background
The TPS65276V PMIC is designed to provide dual (6.5 A and 3.5 A) continuous currents with an
operational range of 4.5 to 18 V. The TPS65276V features I
2
C controlled voltage identification (VID) and
the output voltage can be set by I
2
C from 0.68 V to 1.95 V. Without I
2
C, voltage can also be programmed
by an external resistor divider. The TPS65276V features externally programmed switching frequency
ranging from 200 kHz to 1.6 MHz, external compensation, soft-start and enable.
As there are many possible options to set the converters, Table 1 presents the performance specification
summary for the EVM.
Table 1. Summary of Performance
Test Conditions Performance
Vin = 4.5 V to 18 V Buck1 : 1.0 V, up to 6 A, VID control
fsw = 500 kHz (25°C ambient) Buck2 : 1.1 V, up to 3.5 A, VID control
The EVM is designed to provide access to the features of the TPS65276V. Some modifications can be
made to this module to test performance at different input and output voltages, current and switching
frequency. Please contact TI Field Applications Group for advice on these matters.
2 4.5-V to 18-V Input, Dual (6.5-A and 3.5-A) Synchronous Step-Down SLVU878 – February 2013
Converter With I
2
C Controlled VID and Current Sharing Evaluation Module Submit Documentation Feedback
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