6A, 0.05% Current Accuracy Power Solution for Battery Test Systems Reference Design PMP15043 (ACTIVE)

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Key Document

Description

This reference design circuit introduces a highly accurate, bi-directional current power solution used in battery test systems (BTS). The maximum current capability is 6A with lower than 0.05% full scale accuracy. Controlling through a logic pin, the circuit can be used to charge or discharge a battery. During charging, the battery voltage can also be controlled through an analog signal. With fully integrated buck and boost converters, the circuitry is simple and easy to design. An evaluation board was built to validate the performance of this solution.

Features
  • 6A bidirection current
  • Lower than 0.05% FS current accuracy
  • Programmable current and voltage control
  • Fully integrated converter minimizes the solution size

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Design Files

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Parametrics
 PMP15043.1
(Output Voltage 1)
Vin (Min) (V)12
Vin (Max) (V)15
Vout (Nom) (V)4
Iout (Max) (A)6
Output Power (W)24
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBoost- Synchronous

TI Devices (8)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
INA188  36-V, Zero-Drift, Rail-to-Rail-Out Instrumentation Amplifier  Amplifiers  Sample & Buy View Design Kits & Evaluation Modules
LM2664  1.8V to 5.5Vin Switched Capacitor Voltage Converter  DC/DC switching regulators  Sample & Buy View Design Kits & Evaluation Modules
LM317L  3-pin or 8-pin 100-mA adjustable positive regulator  Power management  Sample & Buy Not Available
OP07C  Low-Offset voltage (0.25mV) single operational amplifier  Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
SN74LV4053A  Triple 2-Channel Analog Multiplexer/Demultiplexer  Switches & multiplexers  Sample & Buy View Design Kits & Evaluation Modules
TPS54821  4.5V to 17V Input, 8-A Synchronous Step-Down Converter with Hiccup Current Limit  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS61178  20-V Fully Integrated Sync Boost with Load Disconnect  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules
UA78L  100-mA, 30-V VIN positive-voltage linear regulators  Power management  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
INA188 Download Download
LM2664 Download Download
LM317L Download Download
Download -
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Download Download
OP07C Download Download
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SN74LV4053A Download Download
Download Download
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TPS54821 Download Download
TPS61178 Download -
UA78L Download
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Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 963 02 Apr 2018
Design files (6)
Title Type Size (KB) Date
PDF 217 02 Apr 2018
PDF 882 02 Apr 2018
ZIP 184 02 Apr 2018
ZIP 619 02 Apr 2018
PDF 37 02 Apr 2018
PDF 183 02 Apr 2018
Related Tools & Software

Reference Designs  ( 2 )


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