Texas Instruments TPS43331EVM Evaluation Module TPS43331EVM TPS43331EVM Datenbogen
Produktcode
TPS43331EVM
Introduction
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1
Introduction
The Texas Instruments TPS43331EVM evaluation module (EVM) helps designers evaluate the operation
and performance of the TPS43331 Switch Mode Power Supply – Multiple-output voltage regulator.
and performance of the TPS43331 Switch Mode Power Supply – Multiple-output voltage regulator.
Table 1. Device and Package Configurations
CONVERTER
IC
PACKAGE
U4
TPS43331QDAPRQ1
DAP-38
2
Setup
This section describes the jumpers and connectors on the EVM as well and how to properly connect, set
up and use the TPS43331EVM.
up and use the TPS43331EVM.
2.1
2.1. Input/Output Connector Descriptions
J1 – Input is the power input terminal for the EVM. The terminal block provides a power (VIN) and ground
(GND) connection.
(GND) connection.
J2 – Output is the output terminal for the TPS43331 Standby Linear. The terminal block provides a power
(VSTBY) and ground (GND) connection.
(VSTBY) and ground (GND) connection.
J3 – Output is the output terminal for the TPS43331 Switched Linear Regulator. The terminal block
provides a power (VLR) and ground (GND) connection.
provides a power (VLR) and ground (GND) connection.
J4 – Output is the regulated output voltage for converter 1 on the TPS43331. The terminal block provides
a power (VOUT1) and ground (GND) connection.
a power (VOUT1) and ground (GND) connection.
J5 – Output is the regulated output voltage for converter 2 on the TPS43331. The terminal block provides
a power (VOUT2) and ground (GND) connection.
a power (VOUT2) and ground (GND) connection.
J6 – Output is the output terminal for the TPS43331 high-side driver switch. The terminal block provides a
power (HSD) and ground (GND) connection.
power (HSD) and ground (GND) connection.
J7 – Input is the input terminal to apply an external I
2
C interface to the TPS43331. The terminal block
provides SCL, SDA, and GND connections. The SCL and SDA jumpers should be removed if the external
I
I
2
C interface is used.
J8 – Input is the input terminal to program the MSP430 controller device. The user should not need to use
this connector.
this connector.
Test Points
•
EN – Enable input for Switcher 1
•
CLK – External clock input
•
GND (x6) – Ground
•
HSD – High-side driver
•
PH1 – Switcher 1 phase pin
•
PH2 – Switcher 2 phase pin
•
RST – Reset warning output
•
VBAT – Power Input
•
VBATW – Vbat warning output
•
VIN – Power input after the reverse battery protection diode
•
VLR – Switched linear regulator output
•
VOUT1 – Switcher 1 output
•
VOUT2 – Switcher 2 output
•
VSTBY – Standby linear regulator output
2
TPS43331EVM
SLVU349 – October 2009
Copyright © 2009, Texas Instruments Incorporated