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User's Guide
LM63635DNEVM EVM User's Guide
The Texas Instruments LM63635DNEVM evaluation module (EVM) helps designers evaluate the operation and
performance of the LM636x5CAQDRRQ1 buck regulator. The LM636x5CAQDRRQ1 is a family of easy-to-use
synchronous step-down DC/DC converters capable of driving up to 3.5 A of load current from an input voltage
of 3.5 V to 36 V. See the
Data Sheet
for additional features, detailed description, and available options. Please note that this EVM
is designed for the LM636x5CAQDRRQ1. This device has a different pin-out than the other devices in the
LM636x5-Q1 product family.
EVM
LM63635DNEVM LM63635CAQDRRQ1
SNVU767 – MARCH 2022
Submit Document Feedback
LM636x5-Q1 3.5-V to 36-V, 1.5-A, and 2.5-A Automotive Step-down Voltage Converter
Table 1-1. Device and Package Configurations
OUTPUT
DEVICE
VOLTAGE
Figure 1-1. LM63635DNEVM Board Image
Copyright © 2022 Texas Instruments Incorporated
ABSTRACT
OUTPUT
SWITCHING
CURRENT
FREQUENCY
5 V
3.25 A
2.1 MHz
PACKAGE
DRR0012
(WSON)
LM63635DNEVM EVM User's Guide
1
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Summary of Contents for Texas Instruments LM63635DNEVM
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Page 1: Figure 1-1. Lm63635Dnevm Board Image
LM63635DNEVM EVM User’s Guide ABSTRACT The Texas Instruments LM63635DNEVM evaluation module (EVM) helps designers evaluate the operation and performance of the LM636x5CAQDRRQ1 buck regulator. The LM636x5CAQDRRQ1 is a family of easy-to-use synchronous step-down DC/DC converters capable of driving up to 3.5 A of load current from an input voltage of 3.5 V to 36 V. -
Page 2: Table Of Contents
List of Tables Table 1-1. Device and Package Configurations...........................1 Table 6-1. BOM for LM63625DNEVM............................10 Trademarks All trademarks are the property of their respective owners. LM63635DNEVM EVM User’s Guide SNVU767 – MARCH 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 3: Setup
This section describes the test points and connectors on the EVM and how to properly connect, set up, and use the LM63635DNEVM. Either the banana jacks on the top of the board or the card edge connector can be used for connections. -
Page 4: Figure 1-2. Evm Card Edge Connections
This jumper turns the device on or off. In addition, by removing this jumper and supplying a signal to the EN test point, the device can be controlled externally. Mode Selec on EN Control Jumper Jumper Figure 1-3. Jumper Locations LM63635DNEVM EVM User’s Guide SNVU767 – MARCH 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 5: Figure 1-4. Fra Setup
Figure 1-4 for details of connections. ^ _ /v‰µš š} ^ _ /v‰µš š} network analyzer network analyzer Signal Injection Figure 1-4. FRA Setup SNVU767 – MARCH 2022 LM63635DNEVM EVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 6: Operation
Figure 3-1. Efficiency: AUTO Mode, V = 5 V, f Figure 3-2. Line and Load Regulation: AUTO Mode, = 2100 kHz = 5 V, f = 2100 kHz LM63635DNEVM EVM User’s Guide SNVU767 – MARCH 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 7: Schematic
Schematic 4 Schematic Figure 4-1. LM63635DNEVM Schematic SNVU767 – MARCH 2022 LM63635DNEVM EVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 8: Board Layout
CAUTION Caution Hot surface. Contact may cause burns. Do not touch. Figure 5-1. Top View of EVM Figure 5-2. Bottom View of EVM LM63635DNEVM EVM User’s Guide SNVU767 – MARCH 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 9: Figure 5-3. Evm Top Copper Layer
Figure 5-3. EVM Top Copper Layer Figure 5-4. EVM Mid Layer One Figure 5-5. EVM Mid Layer Two Figure 5-6. EVM Bottom Copper Layer SNVU767 – MARCH 2022 LM63635DNEVM EVM User’s Guide Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... -
Page 10: Bill Of Materials
GNDS, RESET, SYNC SH-J1, SH-J2 EN, SYNC/MODE Shunt, 100mil, Gold plated, Black Samtec SNT-100-BK-G 3.5-V to 36-V, Automotive Step-down Voltage LM63635CAQDRRRDN Texas Instruments LM63635CAQDRRRDN Converter LM63635DNEVM EVM User’s Guide SNVU767 – MARCH 2022 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated... - Page 11 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. TI objects to and rejects any additional or different terms you may have proposed. IMPORTANT NOTICE Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2022, Texas Instruments Incorporated...