LM5032MTCX/NOPB

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LM5032MTCX/NOPB

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IC REG CTRLR FWRD CONV 16TSSOP

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Spezifikationen

Attribut Wert
Supplier Texas Instruments
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Output Type Transistor Driver
Function Step-Up/Step-Down
Output Configuration Positive
Topology Forward Converter
Number of Outputs 2
Output Phases 2
Voltage - Supply (Vcc/Vdd) 13V ~ 100V
Frequency - Switching 200kHz, 600kHz
Duty Cycle(Max) 76%
Synchronous Rectifier No
Clock Sync Yes
Control Features Frequency Control, Soft Start
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount

Übersicht

Description

LM5032MTCX/NOPB is TI’s high-voltage, fixed-frequency, current-mode PWM controller intended for off-line isolated switching supplies (e.g., LED drivers, AC-DC adapters). It does not include a power MOSFET; an external MOSFET is required. Key features include a high-voltage startup/current source, wide input range, current-sense PWM control, soft-start, and comprehensive protections (UVLO, OVP, IOL/short-circuit, OTP/over-temperature). The MTCX suffix indicates a 16-pin package (MSOP/HTSSOP family), and NOPB signifies RoHS-compliant (lead-free). Typical applications are flyback and buck/boost converters in LED lighting and offline power supplies, where simple, low-component-count designs with good protection are needed. For exact electrical specs, pinout, and application notes, refer to the TI LM5032 datasheet.

Equivalent

There isn’t a one-to-one cross for LM5032MTCX/NOPB. Closest TI substitutes are other LM503x family parts: LM5030, LM5031, and LM5033 (high-voltage, current‑mode flyback/LED driver controllers). For third‑party options with similar function, consider On Semiconductor’s NCP125x/NCP136x families (high‑voltage flyback controllers).

Features

Key features of LM5032MTCX/NOPB (concise):
- High-voltage, constant-current LED driver with integrated switch for LED strings
- External sense resistor sets LED current (programmable via reference)
- Wide input voltage range suitable for automotive/general lighting
- Open-LED and short-LED protection with fault handling
- Overcurrent, overtemperature, and undervoltage lockout protection
- Soft-start to minimize inrush and hot-plug effects
- Dimming support: PWM dimming and DC dimming control
- Fault/status reporting for easy optimization and monitoring
- Compact 8-pin MTCX package; Pb-free (NOPB) options available
Note: Exact electrical specs (voltage range, current range, pin functions) vary by revision; refer to the datasheet for detailed numbers and recommended application circuitry.

Pinout

Pin count: 16 pins.
Function: LM5032MTCX/NOPB is a high‑voltage, fixed‑frequency, peak‑current–mode PWM controller for DC‑DC converters. It drives an external power MOSFET and provides features such as enable, soft‑start, undervoltage lockout, current limit/overcurrent protection, and standard regulation/protection functions for buck (and related topologies) converters.

Manufacturer

- Manufacturer: Texas Instruments (TI).
- What kind of company: TI is an American multinational semiconductor company that designs and manufactures integrated circuits and analog/mixed-signal ICs, microcontrollers, DSPs, and related technologies.

Application

Application areas for LM5032MTCX/NOPB:
- Universal-input offline switch-mode power supplies (flyback, buck-boost/topologies)
- High-efficiency DC-DC converters for telecom, industrial, and consumer rails
- LED lighting driver applications (constant-current regulation)
- Battery charging and general power-management circuits
- Power adapters for consumer electronics (monitors, TVs, adapters)
Note: It’s a high-voltage controller suitable for front-end power conversion and related SMPS designs.

Package

The LM5032MTCX/NOPB comes in a 16-pin MSOP (MSOP-16) package, Pb-free.

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