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概述
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开发资源
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应用
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订购明细
概述
The TPQ5181Q is a primary-side regulated (PSR) flyback converter with high efficiency over a wide input voltage range of 4.5 V to 60 V. The isolated output voltage is sampled from the primary-side flyback voltage, eliminating the need for an optocoupler, voltage reference, or third winding from the transformer for output voltage regulation. The high-level integration results in a simple, reliable, and high-density design with only one component crossing the isolation barrier. Boundary conduction mode (BCM) switching enables a compact magnetic solution and better than ±1.5% load and line regulation performance. An integrated 80-V power MOSFET provides output power up to 10 W with enhanced headroom for line transients.
The TPQ5181Q converter simplifies the implementation of isolated DC/DC supplies with optional features to optimize performance for the target-end equipment. The output voltage is set by one resistor, while an optional resistor improves the output voltage accuracy by negating the thermal coefficient of the flyback diode voltage drop. Additional features include an internally fixed or externally programmable soft start, optional bias supply connection for higher efficiency, precision enable input with hysteresis for adjustable line UVLO, hiccup-mode overload protection, and thermal shutdown protection with automatic recovery.
The TPQ5181Q is qualified to automotive AEC-Q100 grade 1 and is available in DFN4x4-8 package.
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Status
Preview
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Rating
Automotive
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VIN (V)
4.5~60
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Output (V)
/
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Max Output Current (A)
2
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Temperature Range (℃)
-40 to +125
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Topology
Flyback
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Regulation
QR PSR
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Switching Frequency (kHz)
12kHz ~ 350kHz
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Package
DFN4X4-8
开发资源
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文档
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显示筛选器隐藏筛选器文档
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数据手册
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选型手册
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应用笔记
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技术文章
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产品简介
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用户指南
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测试报告
- 文档名称
- 类型
- 语言
- 日期
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选型手册中文03/20/2024
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数据手册英文03/20/2025
60-V, PSR Flyback DC/DC Converter with 80-V, 2.1-A Internal Switch
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技术文章英文01/19/2024
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技术文章英文01/19/2024
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选型手册中文01/19/2024
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应用
• Automotive Body Electronics
• Automotive Power Train Systems
• Isolated Bias Power Rails
订购明细
| Order Part Number | Buy | Rating | Feature | Status | 1ku Price | Release Date | Package | Lead time (week) | MSL | Packing | MPQ | CPQ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TPQ5181Q-DFMR-S | Automotive Grade | / | Preview | / | DFN4X4-8 | 24 | MSL2 | T&R | 3000 | 15000 |
