MC33879EK Freescale Semiconductor, MC33879EK Datasheet - Page 4

• Manufacturer Part Number: MC33879EK
• Description: IC SW SERIAL OCTOL 32-SOIC
• Manufacturer: Freescale Semiconductor
• Type: High Side/Low Side Driverr

Specifications of MC33879EK

• Input Type: SPI
• Number Of Outputs: 8
• On-state Resistance: 750 mOhm
• Current - Peak Output: 1.2A
• Voltage - Supply: 5.5 V ~ 26.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 32-SOIC (7.5mm Width) Exposed Pad, 32-eSOIC, 32-HSOIC
• Current - Output / Channel: -
• Other names: Q2567890

4
33879
PIN CONNECTIONS
Table 2. 33879 Pin Definitions
Pin Number
24, 25, 30
4, 8, 9,
A functional description of each pin can be found in the
10
11
12
13
14
15
16
17
18
19
20
1
2
3
5
6
7
Pin Name
SCLK
GND
VDD
IN6
IN5
NC
EN
CS
S8
D8
S2
D2
S1
D1
D6
S6
S5
DI
Connection
Function
Ground
Output
Output
Output
Output
Output
Output
Output
Output
Output
Clock
Input
Input
Input
Input
Input
Input
Pin
No
Command Input 6
Command Input 5
SCLK
Serial Data Input
Source Output 8
Source Output 2
Source Output 1
Source Output 6
Source Output 5
GND
SPI Chip Select
VDD
Not Connected
Drain Output 8
Drain Output 2
Drain Output 1
Drain Output 6
Formal Name
IN6
Logic Supply
Enable Input
NC
NC
NC
EN
D8
D2
D1
D6
S8
S2
S1
S6
SPI Clock
Ground
Voltage
Figure 3. 33879 Pin Connections
PIN CONNECTIONS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Functional Pin Description
Digital ground.
Logic supply for SPI interface. With V
mode.
Output 8 MOSFET source pin.
No internal connection to this pin.
Output 8 MOSFET drain pin.
Output 2 MOSFET source pin.
Output 2 MOSFET drain pin.
Output 1 MOSFET source pin.
Output 1 MOSFET drain pin.
Output 6 MOSFET drain pin.
Output 6 MOSFET source pin.
PWM direct control input pin for output 6. IN6 is “OR” with SPI bit.
IC Enable. Active high. With EN low, the device is in Sleep mode.
SPI control clock input pin.
SPI control data input pin from MCU to the 33879. Logic [1] activates output.
SPI control chip select input pin from MCU to the 33879. Logic [0] allows
data to be transferred in.
PWM direct control input pin for output 5. IN5 is “OR” with SPI bit.
Output 5 MOSFET source pin.
GND
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
DO
VPWR
NC
S7
D7
S4
D4
NC
NC
S3
D3
D5
S5
IN5
CS
DI
section beginning on
Definition
Analog Integrated Circuit Device Data
DD
low the device will be in Sleep
Freescale Semiconductor
page
14.