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參數(shù)資料
| 型號(hào)： | Si9978DW |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Configurable H-Bridge Driver(可配置的H橋驅(qū)動(dòng)器) |
| 中文描述： | 可配置的H橋驅(qū)動(dòng)器（可配置的魔橋驅(qū)動(dòng)器） |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 172K |
| 代理商： | SI9978DW |
Si9978DW
Vishay Siliconix
Si9978
FaxBack 408-970-5600, request 70011
www.siliconix.com
S-60752—Rev. D, 05-Apr-99
1
Configurable H-Bridge Driver
FEATURES
H-Bridge or Dual Half-Bridge Operation
20- to 40-V Supply
Static (dc) Operation
DESCRIPTION
The Si9978DW is an integrated driver for an n-channel
MOSFET H-bridge. The mode control allows operation as
either a full H-bridge driver or as two independent
half-bridges. The DIR/PWM input configuration allows easy
implementation of either sign/magnitude or anti-phase PWM
drive schemes for full H-bridges. Schmitt triggers on the
inputs provide logic signal compatibility and hysteresis for
increased noise immunity. An internal low-voltage regulator
allows the device to be powered directly from a system supply
of 20 to 40 volts. All n-channel gates are driven directly from
low-impedance outputs. The addition of one external
capacitor per half-bridge allows internal circuitry to level shift
both the power supply and logic signal for the high-side
n-channel gate drives. Internal charge pumps replace leakage
current lost in the high-side driver circuits to provide “static”
(dc) operation in any output condition. Protection features
include an undervoltage lockout, cross-conduction prevention
logic, and overcurrent monitors.
The Si9978DW is available in the 24-pin wide-body SOIC
(surface mount) package, specified to operate over the
industrial (-40 to +85
°
C) temperature range.
FUNCTIONAL BLOCK DIAGRAM
Cross-Conduction Protected
Current Limit
Undervoltage Lockout
ESD Protected
Fault Output
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SI9978DW-E3 | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 Half Bridge Driver RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| SI9978DW-T1 | 功能描述:功率驅(qū)動(dòng)器IC Half Bridge Driver RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時(shí)間: 下降時(shí)間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| SI9978DW-T1-E3 | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 Config H-Bridge MOSFET RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| SI9979 | 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:3-Phase Brushless DC Motor Controller |
| SI9979_04 | 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:3-Phase Brushless DC Motor Controller |
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