NCV7708 ON Semiconductor, NCV7708 Datasheet - Page 9

• Manufacturer Part Number: NCV7708
• Description: The NCV7708 is a fully protected Hex Half Bridge Driver designed specifically for automotive and industrial motion control applications. The six low and high side drivers are freely configurable and can be controlled separately. This allows for high
• Manufacturer: ON Semiconductor

diagnostic bits. Fault information is sequentially clocked out
the SO pin of the NCV7708 as programming information is
clocked into the SI pin of the device. Daisy chain
CSB
SI
SCLK
SO
The table below defines the programming bits and
Number
Bit
15
14
13
12
10
11
9
8
7
6
5
4
3
2
1
0
TW
SRR
Status Register Reset (SRR)
Over Current Detection Shut
OUTL1 OUTH1 OUTL2
OUTL1 OUTH1 OUTL2
Under Load Detection Shut
Over Voltage Lock Out
Down Control (OCD)
Down Control (ULD)
Bit Description
Control (OVLO)
OUTH6
OUTH5
OUTH4
OUTH3
OUTH2
OUTH1
OUTL6
OUTL5
OUTL4
OUTL3
OUTL2
OUTL1
Input Data
OUTH2 OUTL3 OUTH3 OUTL4
OUTH2 OUTL3 OUTH3 OUTL4
Figure 3. SPI Communication Frame Format
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
0 = No Reset
1 = Reset
0 = Disable
1 = Enable
0 = Disable
1 = Enable
0 = Disable
1 = Enable
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
Bit Status
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NCV7708
9
OUTH4 OUTL5 OUTH5 OUTL6 OUTH6
OUTH4 OUTL5 OUTH5 OUTL6 OUTH6
communication between SPI compatible IC’s is possible by
connection of the serial output pin (SO) to the input of the
sequential IC (SI).
Number
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Under Load Detect Signal
Power Supply Fail Signal
Over Load Detect Signal
(OVLO or UVLO = PSF)
Thermal Warning (TW)
Bit Description
Output Data
OUTH6
OUTH5
OUTH4
OUTH3
OUTH2
OUTH1
OUTL6
OUTL5
OUTL4
OUTL3
OUTL2
OUTL1
(ULD)
(OLD)
OCD
OLD
ULD
ULD
0 = No Fault
1 = Fault
0 = No Fault
1 = Fault
0 = No Fault
1 = Fault
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
0 = Off
1 = On
0 = Not in TW
1 = In TW
Bit Status
OVLO
PSF