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MC33982BPNAR2 Scheda tecnica(PDF) 3 Page - Freescale Semiconductor, Inc

Il numero della parte MC33982BPNAR2
Spiegazioni elettronici  Single Intelligent High-current Self-protected Silicon High Side Switch (2.0m ohm)
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Produttore elettronici  FREESCALE [Freescale Semiconductor, Inc]
Homepage  http://www.freescale.com
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MC33982BPNAR2 Scheda tecnica(HTML) 3 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
Freescale Semiconductor
3
33982
PIN CONNECTIONS
PIN CONNECTIONS
Figure 3. 33982B Pin Connections
Table 1. Pin Definitions
Functional descriptions of many of these pins can be found in the Functional Pin Description section beginning on page 15.
Pin
Number
Pin Name
Pin
Function
Formal Name
Definition
1
CSNS
Output
Output Current
Monitoring
This pin is used to output a current proportional to the high side output
current and used externally to generate a ground-referenced voltage for
the microcontroller to monitor output current.
2
WAKE
Input
Wake
This pin is used to input a Logic [1] signal in order to enable the watchdog
timer function.
3RST
Input
Reset (Active Low)
This input pin is used to initialize the device configuration and fault
registers, as well as place the device in a low current sleep mode.
4
IN
Input
Direct Input
The Input pin is used to directly control the output.
5FS
Output
Fault Status
(Active Low)
This is an open drain configured output requiring an external pull-up
resistor to VDD for fault reporting.
6
FSI
Input
Fail-Safe Input
The value of the resistance connected between this pin and ground
determines the state of the output after a watchdog timeout occurs.
7CS
Input
Chip Select
(Active Low)
This input pin is connected to a chip select output of a master
microcontroller (MCU).
8
SCLK
Input
Serial Clock
This input pin is connected to the MCU providing the required bit shift
clock for SPI communication.
9
SI
Input
Serial Input
This is a command data input pin connected to the SPI Serial Data
Output of the MCU or to the SO pin of the previous device in a daisy chain
of devices.
10
VDD
Input
Digital Drain Voltage
(Power)
This is an external voltage input pin used to supply power to the SPI
circuit.
HS
HS
16
15
VPWR
14
GND
13
1
11 10 9
8 7 6 5
4
3 2
12
TRANSPARENT
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