MC33580 Datasheet, PDF (4/38 Pages) Freescale Semiconductor, Inc – Quad High-Side Switch (Quad 15 mΩ)

PIN CONNECTIONS
Table 1. 33580 Pin Definitions (continued)
A functional description of each pin can be found in the Functional Pin Description section beginning on page 16.
Pin
Number
Pin Name
Pin
Function
Formal Name
Definition
13
VDD
14, 17, 23 GND
Power
Ground
Digital Drain Voltage
(Power)
Ground
This pin is an external voltage input pin used to supply power to the SPI circuit.
These pins are the ground for the logic and analog circuitry of the device.
15
VPWR
Power Positive Power Supply This pin connects to the positive power supply and is the source of operational
power for the device.
16
SO
Output
Serial Output
This output pin is connected to the SPI Serial Data Input pin of the MCU or to
the SI pin of the next device of a daisy-chain of devices.
18
HS3
Output
High-Side Outputs ^{Protected 15 mΩ high-side power output pins to the load.}
19
HS1
21
HS0
22
HS2
20
NC
N/A
No Connect
This pin may not be connected.
24
FSI
Input
Fail-Safe Input
The value of the resistance connected between this pin and ground
determines the state of the outputs after a Watchdog timeout occurs.
33580
4
Analog Integrated Circuit Device Data
Freescale Semiconductor