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HV9967B

Integrated LED Driver w/ Average-Mode Current Control

Status: In Production

Features:

  • 3% accurate LED current
  • Integrated 60V, 0.8Ω MOSFET
  • Low sensitivity to external component variation
  • Single resistor LED current setting
  • Fixed off-time control
  • PWM dimming input
  • Output short circuit protection with skip mode
  • Over-temperature protection
  • Available in compact 8-Lead MSOP and 8-Lead DFN packages
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Overview
Documents
Development Environment
Similar Devices
RoHS Information
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Device Overview

Summary

The HV9967B is an average-mode current control LED driver IC operating in a constant off-time mode. The IC features an integrated 60V, 0.8Ω MOSFET that can be used as a stand-alone buck converter switch, or connected as a source driver for driving an external high-voltage depletion-mode MOSFET. The HV9967B is powered through its switching output when the integrated switch is off. Hence, the same external MOSFET can be used as a high-voltage linear regulator for powering the IC. The LED current is programmed with one external resistor. The average-mode current control method does not produce a peak-to-average error, and therefore greatly improves current accuracy and line and load regulation of the LED current without any need for loop compensation or direct sensing of the LED current at a high-voltage potential. The auto-zero circuit cancels the effects of the input offset voltage and of the propagation delay of the current sense comparator.

Additional Features
  • 3% accurate LED current
  • Integrated 60V, 0.8Ω MOSFET
  • Low sensitivity to external component variation
  • Single resistor LED current setting
  • Fixed off-time control
  • PWM dimming input
  • Output short circuit protection with skip mode
  • Over-temperature protection
  • Available in compact 8-Lead MSOP and 8-Lead DFN packages

Documents

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Software Library

User Guides

06/24/2015
471KB

Development Environment

  • Demo & Evaluation Boards
  • Software Libraries
Demo & Evaluation Boards
HV9967BDB1 Demo Board
HV9967BDB1 Demo Board ( HV9967BDB1 )

The HV9967BDB1 demoboard is a high-brightness LED driver designed to drive 4 LEDs in series at currents up to 350mA from a 20 - 60V DC input. The demoboard uses the HV9967B in a buck configuration in a constant off-time mode.  The HV9967BDB1 LED driver features tight regulation of the LED current within a few milliamps over the entire range of the input voltage (i.e. 20 - 60VDC). ...

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Software Libraries
Analog Simulation - HV9967B

The HV9967B is an average-mode current control LED driver IC operating in a constant off-time mode. The IC features an integrated 60V, 0.8Ω MOSFET that can be used as a stand-alone buck...

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RoHS Information

Part Number
Device Weight (g)
Shipping Weight (grams)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
HV9967BMG-G
0.025600
0.215600
8
MSOP
3x3mm
Matte Tin
e3
HV9967BK7-G
0.020780
0.118788
8
WDFN
3x3x0.8mm
Matte Tin
e3
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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