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HV9912NG-G-M934 PDF预览

HV9912NG-G-M934

更新时间： 2024-11-21 14:51:11
品牌 Logo 应用领域
美国微芯 - MICROCHIP 驱动光电二极管接口集成电路
页数 文件大小 规格书
20页 724K
描述
LED DISPLAY DRIVER

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中文翻译

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HV9912NG-G-M934 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：SOP, SOP16,.25Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：12 weeks风险等级：5.66
数据输入模式：SERIAL接口集成电路类型：LED DISPLAY DRIVER
JESD-30 代码：R-PDSO-G16JESD-609代码：e3
长度：9.9 mm复用显示功能：NO
功能数量：1区段数：2
端子数量：16最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP16,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
座面最大高度：1.75 mm最大供电电压：90 V
最小供电电压：9 V标称供电电压：12 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn) - annealed端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
宽度：3.9 mmBase Number Matches：1

HV9912NG-G-M934 数据手册

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HV9912  
Switch-Mode LED Driver IC with High Current Accuracy  
and Hiccup Mode Protection  
Features  
General Description  
• Switch-mode Controller for Single-switch Drivers:  
HV9912 is an LED driver IC designed to control  
single-switch PWM converters (buck, boost,  
buck-boost and SEPIC) in a Constant Frequency or  
Constant Off-time mode. The controller uses a peak  
Current Mode control scheme with programmable  
slope compensation and includes an internal  
transconductance amplifier to control the output current  
in closed loop, enabling high output current accuracy.  
In the case of buck and buck-boost converters, the  
output current can be sensed using a high-side current  
sensor like the HV7800. In the Constant Frequency  
mode, multiple HV9912 ICs can be synchronized with  
each other or with an external clock, using the SYNC  
pin. Programmable MOSFET current limit enables  
current limiting during Input Undervoltage and Output  
Overload conditions. The IC also includes a 0.2A  
source and 0.4A sink gate driver that makes the  
HV9912 suitable for high-power applications. An  
internal 90V linear regulator powers the IC, eliminating  
the need for a separate power supply for the IC. The IC  
also provides a FAULT output, which can be used to  
disconnect the LEDs in case of a Fault condition using  
an external disconnect FET. HV9912 also provides a  
TTL-compatible, low-frequency PWM dimming input  
that can accept an external control signal with a duty  
ratio of 0-100% and a frequency of up to a few kilohertz.  
The HV9912 includes hiccup protection from both short  
and open circuits, with automatic recovery after the  
Fault condition is cleared.  
- Buck  
- Boost  
- Buck-boost  
- SEPIC  
• Works with High-side Current Sensors  
• Closed-loop Control of Output Current  
• High Pulse-Width Modulation (PWM) Dimming  
Ratio  
• Internal 90V Linear Regulator (can be extended  
using external Zener Diodes)  
• Internal 2% Voltage Reference (0°C < TA < 85°C)  
• Constant Frequency or Constant Off-time  
Operation  
• Programmable Slope Compensation  
• Linear and PWM Dimming  
• +0.2A/–0.4A Gate Driver  
• Hiccup Mode Protection for both Short-circuit and  
Open-circuit Conditions  
• Output Overvoltage Protection  
• Synchronization Capability  
• Pin Compatible with HV9911  
Applications  
• RGB Backlight Applications  
• General LED Lighting Applications  
• Battery-powered LED Lamps  
The HV9912 is a pin-compatible replacement for  
HV9911. It can be used with existing HV9911 designs,  
which have input voltages of less than 90V, by  
changing ROVP1, ROVP, and RT.  
Package Type  
16-lead SOIC  
(Top View)  
1
2
3
4
5
6
7
8
16  
VIN  
VDD  
GATE  
GND  
CS  
FDBK  
IREF  
15  
14  
13  
12  
11  
10  
9
COMP  
PWMD  
OVP  
SC  
FAULT  
REF  
RT  
See Table 2-1 for pin information.  
SYNC  
CLIM  
2016 Microchip Technology Inc.  
DS20005583A-page 1  
1234567...20

中文翻译

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HV9912NG-G-M934 替代型号

型号 品牌 替代类型 描述 数据表
HV9912NG-G MICROCHIP

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 LED DISPLAY DRIVER, PDSO16
HV9912NG-G-M901 MICROCHIP

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