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參數(shù)資料
| 型號(hào)： | MC33984 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Dual Intelligent High-Current Self-Protected Silicon High-Side Switch (4.0 mз) |
| 中文描述： | 雙智能大電流的自我保護(hù)硅高邊開(kāi)關(guān)（4.0mз） |
| 文件頁(yè)數(shù)： | 23/28頁(yè) |
| 文件大小： | 492K |
| 代理商： | MC33984 |
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33984
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
4
9
SI
Serial Input
This is a command data input terminal connected to the SPI Serial Data Output of the
MCU or to the SO terminal of the previous device of a daisy chain of devices. The input
requires CMOS logic-level signals and incorporates an active internal pulldown current
source. Device control is facilitated by the input's receiving the MSB first of a serial 8-
bit control command. The MCU ensures data is available upon the falling edge of
SCLK. The logic state of SI present upon the rising edge of SCLK loads that bit
command into the internal command shift register.
10
VDD
Digital Drain Voltage
(Power)
This is an external voltage input terminal used to supply power to the SPI circuit. In the
event VDD is lost, an internal supply provides power to a portion of the logic, ensuring
limited functionality of the device.
11
SO
Serial Output
This output terminal is connected to the SPI Serial Data Input terminal of the MCU or
to the SI terminal of the next device of a daisy chain of devices. This output will remain
tri-stated (high impedance OFF condition) so long as the CS terminal of the device is
logic HIGH. SO is only active when the CS terminal of the device is asserted logic LOW.
The generated SO output signals are CMOS logic levels. SO output data is available
on the falling edge of SCLK and transitions immediately on the rising edge of SCLK.
12
IN1
Serial Input
This input terminal is used to directly control the output HS1. This input has an active
internal pulldown current source and requires CMOS logic levels. This input may be
configured via SPI.
13
GND
Ground
This terminal is the ground for the logic and analog circuitry of the device.
14
VPWR
Positive Power Supply
This terminal connects to the positive power supply and is the source input of
operational power for the device. The VPWR terminal is a backside surface mount tab
of the package.
15
HS1
High-Side Output 1
Protected 4.0 m
high-side power output to the load.
16
HS0
High-Side Output 0
Protected 4.0 m
high-side power output to the load.
TERMINAL DEFINITIONS (continued)
Functional descriptions of many of these terminals can be found in the System/Application Information section beginning on
page 15.
Terminal
Name
Formal Name
Definition
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| MC33984BPNA | 功能描述:電源開(kāi)關(guān) IC - 配電 SPD4 RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MC33984BPNAR2 | 功能描述:電源開(kāi)關(guān) IC - 配電 SPD4 RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MC33984CHFK | 功能描述:電源開(kāi)關(guān) IC - 配電 Dual 4mOhms smart RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MC33984CHFKR2 | 功能描述:電源開(kāi)關(guān) IC - 配電 Dual 4mOhms smart RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MC33984PNA | 制造商:Freescale Semiconductor 功能描述:POWER SWITCH HI SIDE 30A 16-PIN QFN - Trays |
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