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LP87642Q1EVM

LP87642-Q1 evaluation module for four-phase one output functional safety compliant buck converter

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LP87642Q1EVM

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Overview

The LP87642Q1EVM board can be used to test, demo, debug and configure one or more LP8764-Q1 power managements ICs for automotive and industrial applications. The device on board is LP876411E2RQRQ1 which has 4-phase 2.2 MHz configuration for one high current multiphase rail. The EVM boards can be stacked for multi-PMIC operation testing.

Features
  • Input voltage range from 3.0 V to 5.5 V
  • Output load current 5.0 A per phase, total output load current up to 20 A
  • On board MSP432 to communicate with PMIC using GUI via USB-C cable
  • Board can be reworked to support other LP8764-Q1 phase configurations
  • Boards can be stacked to support multi-PMIC operation testing

  • USB-C Male A to USB Male C cable
Analog switches & muxes
TS3A5018 — 3.3-V, 2:1 (SPDT), 4-channel general-purpose analog switch TS3A5223 — 0.45-Ω on-state resistance, 3.3-V, 2:1 (SPDT), 2-channel analog switch with 1-V logic

 

Application-specific voltage translators
SN74GTL2003 — 8-Bit Bidirectional Low-voltage Translator

 

Arm Cortex-M4 MCUs
MSP432E401Y — SimpleLink™ 32-bit Arm Cortex-M4F MCU with ethernet, CAN, 1MB Flash and 256kB RAM

 

Comparators
LM2901AV — Precision quad differential comparator

 

Linear & low-dropout (LDO) regulators
TLV733P-Q1 — Automotive 300-mA, low-IQ, low-dropout voltage regulator with enable

 

MOSFETs
CSD13381F4 — 12-V, N channel NexFET™ power MOSFET, single LGA 1 mm x 0.6mm, 180 mOhm, gate ESD protection

 

Multi-channel ICs (PMICs)
LP8762-Q1 — Automotive PMIC for SoCs up to ASIL D with four 3A/12A multiphase buck converters LP8764-Q1 — 4 5-A/20-A multiphase buck converters PMIC for automotive SoCs
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Evaluation board

LP87642Q1EVM — LP87642-Q1 evaluation module for four-phase one output functional safety compliant buck converter

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Technical documentation

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Type Title Date
* EVM User's guide LP8764x-Q1 Evaluation Module User's Guide (Rev. A) PDF | HTML 03 Feb 2022
User guide Scalable PMIC's GUI User’s Guide (Rev. B) PDF | HTML 27 Jun 2022
Certificate LP87642Q1EVM EU RoHS Declaration of Conformity (DoC) 18 Jan 2022

Related design resources

Hardware development

EVALUATION BOARD
LP87644Q1EVM — LP87644-Q1 evaluation module for four-output buck converter PMICLOADBOARDEVM — Electric load board for Texas Instruments PMIC transient measurements TPS6594EVM — Automotive 2.8 V to 5.5 V, 5 buck & 4 LDO Power Management IC (PMIC) EVM

Software development

IDE, CONFIGURATION, COMPILER OR DEBUGGER
SCALABLE-PMIC-GUI — GUI for evaluation and configuration of the TPS6594x, TPS6593x, and LP876x scalable PMICs

Support & training

TI E2E™ forums with technical support from TI engineers

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