33887 Datasheet, PDF (5/37 Pages) Freescale Semiconductor, Inc – 5.0 A H-Bridge with Load Current Feedback

PIN CONNECTIONS
Transparent Top View of Package
PGND
1
PGND
2
PGND
3
PGND
4
NC
5
NC
6
NC
7
D2
8
NC
9
OUT2
10
OUT2
11
OUT2
12
OUT2
13
NC
14
V+
15
V+
16
V+
17
V+
18
NC
19
NC
20
NC
21
NC
22
CCP
23
D1
24
IN2
25
EN
26
NC
27
54
PGND
53
PGND
52
PGND
51
PGND
50
NC
49
NC
48
NC
47
FB
46
NC
45
OUT1
44
OUT1
43
OUT1
42
OUT1
41
NC
40
V+
39
V+
38
V+
37
V+
36
NC
.35
NC
34
NC
33
NC
32
IN1
31
FS
30
AGND
29
NC
28
NC
Figure 5. 33887 Pin Connections
Table 3. SOICW-EP PIN DEFINITIONS
A functional description of each pin can be found in the Functional Pin DescriptionS section, page 21.
Pin
1– 4, 51– 54
5 – 7, 9, 14, 19 – 22,
27 – 29, 33 – 36, 41,
46, 48 – 50
8
Pin Name
PGND
NC
D2
Formal Name
Power Ground
No Connect
Definition
High-current power ground.
No internal connection to this pin.
Disable 2
Active LOW input used to simultaneously tri-state disable both H-Bridge
outputs. When D2 is Logic LOW, both outputs are tri-stated.
10 – 13
15 – 18, 37 – 40
23
OUT2
V+
CCP
H-Bridge Output 2
Positive Power Supply
Charge Pump Capacitor
Output 2 of H-Bridge.
Positive supply connections.
External reservoir capacitor connection for internal charge pump
capacitor.
24
D1
Disable 1
Active HIGH input used to simultaneously tri-state disable both H-Bridge
outputs. When D1 is Logic HIGH, both outputs are tri-stated.
25
IN2
Logic Input Control 2
Logic input control of OUT2 (i.e., IN2 logic HIGH = OUT2 HIGH).
26
EN
Enable
Logic input Enable control of device (i.e., EN logic HIGH = full operation,
EN logic LOW = Sleep Mode).
30
AGND
Analog Ground
Low-current analog signal ground.
31
FS
Fault Status for H-Bridge ^{Open drain active LOW Fault Status output requiring a pull-up resistor to}
5.0 V.
32
IN1
Logic Input Control 1
Logic input control of OUT1 (i.e., IN1 logic HIGH = OUT1 HIGH).
Analog Integrated Circuit Device Data
Freescale Semiconductor
33887
5