參數(shù)資料
型號(hào)： MC33984
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： Dual Intelligent High-Current Self-Protected Silicon High-Side Switch (4.0 mOhm)(雙智能大電流帶自保護(hù)功能的硅高端開(kāi)關(guān)（4mOhm）)
中文描述： 雙智能大電流的自我保護(hù)硅高邊開(kāi)關(guān)（4.0毫歐）（雙智能大電流帶自保護(hù)功能的硅高端開(kāi)關(guān)（4mOhm））
文件頁(yè)數(shù)： 3/24頁(yè)
文件大?。?/td> 783K
代理商： MC33984
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
33984
3
CSNS
WAKE
IN0
FS
FSI
CS
SCLK
RST
SI
V
DD
SO
IN1
1
11
10
9
8
7
6
5
4
3
2
HS0
HS1
16
15
V
PWR
Transparent Top View of Package
14
GND
13
12
TERMINAL FUNCTION DESCRIPTION
Terminal
Terminal
Name
Formal Name
Definition
1
CSNS
Output Current Monitoring
This terminal is used to output a current proportional to the designated HS0-1 output.
That current is fed into a ground-referenced resistor and its voltage is monitored by an
MCU's A/D. The channel to be monitored is selected via the SPI. This terminal can be
tri-stated through SPI.
2
WAKE
Wake
This terminal is used to input a logic [1] signal so as to enable the watchdog timer
function. An internal clamp protects this terminal from high damaging voltages when the
output is current limited with an external resistor. This input has an internal passive pull-
down.
3
RST
Reset (Active Low)
This input terminal is used to initialize the device configuration and fault registers, as
well as place the device in a low current sleep mode. The terminal also starts the
watchdog timer when transitioning from logic LOW to logic HIGH. This terminal should
not be allowed to be logic HIGH until V
DD
is in regulation. This terminal has an internal
passive pull-down.
4
IN0
Serial Input
This input terminal is used to directly control the output HS0. This input has an internal
active pull-down and requires CMOS logic levels. This input may be configured via SPI.
5
FS
Fault Status (Active Low)
This is an open drain configured output requiring an external pull-up resistor to V
DD
for
fault reporting. When a device fault condition is detected, this terminal is active LOW.
Specific device diagnostic faults are reported via the SPI SO terminal.
6
FSI
Fail-Safe Input
The value of the resistance connected between this terminal and ground determines
the state of the outputs after a watchdog timeout occurs. Depending on the resistance
value, either all outputs are OFF, ON, or the output HSO only is ON. When the FSI
terminal is connected to GND, the watchdog circuit and fail-safe operation are disabled.
This terminal incorporates an active internal pull-up.
7
CS
Chip Select (Active Low)
This input terminal is connected to a chip select output of a master microcontroller
(MCU). The MCU determines which device is addressed (selected) to receive data by
pulling the
CS
terminal of the selected device logic LOW, enabling SPI communication
with the device. Other
unselected
devices on the serial link having their
CS
terminals
pulled-up logic HIGH disregard the SPI communication data sent.
8
SCLK
Serial Clock
This input terminal is connected to the MCU providing the required bit shift clock for SPI
communication. It transitions one time per bit transferred at an operating frequency,
f
SPI
, defined by the communication interface.The 50 percent duty cycle CMOS-level
serial clock signal is idle between command transfers. The signal is used to shift data
into and out of the device.
F
Freescale Semiconductor, Inc.
Go to: www.freescale.com
n
.
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參數(shù)描述
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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