TPS92641PWPR/NOPB by Texas Instruments | APACDC to DC Controller | Avnet ASIA
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TPS92641PWPR/NOPB

Texas Instruments

DC DC Cntrlr Single Sync Buck 7V to 85V Input 16-Pin HTSSOP T/R

制造商料号#: TPS92641PWPR/NOPB

替代型号#: TPS92641PWPR/NOPB


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描述

文档

替代/替换

信息

The TPS92640 devices are high- voltage, synchronous NFET controllers for buck- current regulators. Output current regulation is based on valley current-mode operation using a controlled on-time architecture. This control method eases the design of loop compensation while maintaining nearly constant switching frequency. The TPS92640 device include a high-voltage start-up regulator that operates over a wide input range of 7 V to 85 V. The PWM controller is designed for high speed capability, including an oscillator frequency range up to 1 MHz. The deadtime between high side and low side gate driver is optimized to provide very high efficiency over a wide input operating voltage and output power range. The TPS92640 devices accept both analog and PWM input signals, resulting in exceptional dimming control range. Linear response characteristics between input command and LED current is achieved with true zero LED current using low off-set error amplifier and proprietary PWM dimming logic. Devices also include precision reference capable of supplying current to low power microcontroller. Protection features include cycle-by-cycle current protection, overvoltage protection, and thermal shutdown.

技术参数

  • VIN Range from 7 V to 85 V
  • Wide Dimming Range
    • 500:1 Analog Dimming
    • 2500:1 Standard PWM Dimming
    • 20000:1 Shunt FET PWM Dimming
  • Adjustable LED Current Sense Voltage
  • 2-Ω, 1-Apeak MOSFET Gate Drivers
  • Shunt Dimming MOSFET Gate Driver (TPS92641)
  • Programmable Switching Frequency
  • Precision Voltage Reference 3 V ±2%
  • Input UVLO and Output OVP
  • Low Power Shutdown Mode and Thermal Shutdown

技术特性

描述
寻找类似物料
Output Current
5 A
Type
Synchronous Buck Controller
Supplier Package
HTSSOP
Operating Temperature
-40 to 125 °C
Pin Count
16
Screening Level
Extended Industrial
Max Processing Temp
260
MSL Level
1
Output Voltage
0 to 83 V
Mounting
Surface Mount
Lead Finish
Tin
Product Dimensions
5 x 4.4 x 0.9

ECCN / UNSPSC

描述
ECCN:
EAR99
计划交货期 B:
8542.2129-00
HTSN:
8542.2129-00
UNSPSC:
32101600
UNSPSC VERSION:
V15.1101

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