Texas Instruments LM5190-Q1 User Manual

www.ti.com
EVM User's Guide: LM5190QEVM-400
LM5190-Q1 CCCV Buck Controller Evaluation Module
Description
The LM5149Q1EVM-400
a synchronous buck DC/DC regulator with constant-
current constant-voltage (CCCV) regulation. The EVM
operates over a wide input voltage range of 15V to
72V (at J1 VIN terminal), providing a regulated current
of 8A in CC mode and a regulated voltage of 12V
in CV mode. The regulation target of the average
inductor current is programmed by ISET and the
output voltage is adjusted by modifying the feedback
resistors.
Features
• Wide input voltage operating range
– 15V to 72V: VIN terminal
• Fixed 12V, 5V, or adjustable output voltage
• Adjustable average inductor current using ISET
• Inductor current monitor using IMON
• Integrated standard MOSFET gate drivers
• 18µA standby current at V
SLVUCY4 – JUNE 2024
Submit Document Feedback
evaluation module (EVM) is
= 48V with BIAS
SUPPLY
LM5190Q1EVM
Copyright © 2024 Texas Instruments Incorporated
• Full-load efficiency of 95% at V
• 400kHz switching frequency with optional external
clock synchronization
• Dual-random spread spectrum
• Integrated slope compensation
• Forced PWM (FPWM) or pulsed-frequency
modulation (PFM) operation
• Over-current protection (OCP) with hiccup mode
for abnormal overload conditions
• Power Good indicator with pullup resistor to VCC
• Internal 2.75ms soft start in CV mode
• CC mode soft start using C
• Thermally efficient layout with 6-layer 2-oz PCB
Applications
• Super capacitor energy backup
• E-bikes
• Power tools
• Server battery-backup unit (BBU)
• Energy storage system
LM5190-Q1 CCCV Buck Controller Evaluation Module
Description
= 48V
SUPPLY
capacitor
ISET
and solar energy
1