IC manufacturers Texas Instruments

IC manufacturers (97)

Texas Instruments LM5149-Q1 | Demoboard LM5149-Q1EVM-2100

3.5-V to 80-V Synchronous Buck DC/DC Controller

Overview

TopologyBuck Converter
Input voltage3.5-80 V
Output 15 V / 8 A
IC revisionA

Description

The LM5149-Q1EVM-2100 evaluation module (EVM) is a synchronous buck DC/DC regulator that employssynchronous rectification to achieve high conversion efficiency in a small footprint. It operates over a wide input voltage range of V to 80 V, providing a regulated output of 5 V. The output voltage has better than 1% setpoint accuracy and are adjustable by modifying the feedback resistor values, permitting the user to customize the output voltage from 2.5 V to 12 V as needed.

Features

  • Wide input voltage (wide VIN) range of 3.5 V to 80 V
  • Spread spectrum modulation and active EMI filtering for lower EMI
  • Wide duty cycle range with low tON(min) and tOFF(min)
  • Ultra-low shutdown and no-load standby quiescent currents
  • Multiphase capability
  • Peak current-mode control loop architecture
  • Integrated, high-current MOSFET gate drivers
  • Cycle-by-cycle overcurrent protection with programmable hiccup
  • Functional-safety capable

Typical applications

  • High-current automotive electronic systems, Automotive HEV/EV powertrain systems

More information

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)
IRP,40K
(A)
ISAT,30%
(A)
RDC typ.
(mΩ)
fres
(MHz)
VOP
(V)
MountISAT,10%
(A)
RDC max.
(mΩ)
Samples
744373490056SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.WE-LHMI SMT Power Inductor 0.56 17.6 36.4 3.6 85 120 SMT 19.9 4.2
744383560068SPEC
10 files Active i| Production is active. Expected lifetime: >10 years.WE-MAPI SMT Power Inductor 0.68 13.15 12.7 7.5 75 80 SMT 5.8 9
Order Code Data­sheet Simu­lation
744373490056SPEC
744383560068SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)
IRP,40K
(A)
ISAT,30%
(A)
RDC typ.
(mΩ)
fres
(MHz)
VOP
(V)
MountISAT,10%
(A)
RDC max.
(mΩ)
Samples