Datasheet

1
2
3
4
5
6
7
8
9
10
14
13
12
11
15
16
17
18
19
20
nFAULT
NC
IN1
IN2
GND
GND
GND
IN3
IN4
RESET
OUT4
nENBL
GND
OUT3
GND
GND
OUT1
OUT2
VM
VCLAMP
DW (WIDE SOIC) PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
10
9
11
12
13
14
15
16
nFAULT
NC
IN1
IN2
GND
IN3
IN4
RESETnENBL
OUT3
OUT4
GND
OUT1
OUT2
VM
VCLAMP
GND
PWP (HTSSOP) PACKAGE
(TOP VIEW)
DRV8803
www.ti.com SLVSAW5B –JULY 2011–REVISED FEBRUARY 2012
Table 1. TERMINAL FUNCTIONS
PIN PIN EXTERNAL COMPONENTS
NAME I/O
(1)
DESCRIPTION
(SOIC) (HTSSOP) OR CONNECTIONS
POWER AND GROUND
5, 6, 7, 5, 12,
GND - Device ground All pins must be connected to GND.
14, 15, 16 PPAD
VM 1 1 - Device power supply Connect to motor supply (8.2 V - 60 V).
CONTROL
nENBL 10 8 I Enable input Active low enables outputs – internal pulldown
Active high resets internal logic and OCP –
RESET 11 9 I Reset input
internal pulldown
IN1 18 14 I Channel 1 input IN1 = 1 drives OUT1 low – internal pulldown
IN2 17 13 I Channel 2input IN2 = 1 drives OUT2 low – internal pulldown
IN3 13 11 I Channel 3 input IN3 = 1 drives OUT3 low – internal pulldown
IN4 12 10 I Channel 4 input IN4 = 1 drives OUT4 low – internal pulldown
STATUS
Logic low when in fault condition (overtemp,
nFAULT 20 16 OD Fault
overcurrent)
OUTPUT
OUT1 3 3 O Output 1 Connect to load 1
OUT2 4 4 O Output 2 Connect to load 2
OUT3 8 6 O Output 3 Connect to load 3
OUT4 9 7 O Output 4 Connect to load 4
Connect to VM supply, or zener diode to VM
VCLAMP 2 2 - Output clamp voltage
supply
(1) Directions: I = input, O = output, OD = open-drain output
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