MC33927 Datasheet, PDF (3/44 Pages) Freescale Semiconductor, Inc – Three-Phase Field Effect Transistor Pre-Driver

PIN CONNECTIONS
PIN CONNECTIONS
PHASEA
1
54
PGND
2
53
EN1
3
52
EN2
4
51
RST
5
50
N/C
6
49
PUMP
7
48
VPUMP
8
47
VBAT
9
46
PHASEB
10
45
PHASEC
11
44
PA_HS
12
43
PA_LS
13
42
VDD
14
41
PB_HS
15
40
PB_LS
16
39
INT
17
38
CS
18
37
SI
19
36
SCLK
20
.35
SO
21
34
PC_LS
22
33
PC_HS
23
32
AMP_OUT
24
31
AMP_N
25
30
AMP_P
26
29
OC_OUT
27
28
VPWR
N/C
N/C
VLS
N/C
N/C
PA_BOOT
PA_HS_G
PA_HS_S
PA_LS_G
PGNDA
PB_BOOT
PB_HS_G
PB_HS_S
PB_LS_G
PGNDB
PC_BOOT
PC_HS_G
PC_HS_S
PC_LS_G
PGNDC
N/C
VLS_CAP
GND1
GND0
VSS
OC_TH
Figure 3. 33927 Pin Connections
Table 1. 33927 Pin Definitions
A functional description of each pin can be found in the Functional Pin Description section beginning on page 20.
Pin
Pin Name Pin Function Formal Name
Definition
1
PHASEA Digital Output
Phase A
Totem Pole output of Phase A comparator. This output is low when the
voltage on PA_HS_S (Source of High-Side FET) is less than 50% of VBAT
2
PGND
Ground
Power Ground
Power ground for charge pump
3
EN1
Digital Input
Enable 1
Logic signal input must be high (ANDed with EN2) to enable any gate drive
output.
4
EN2
Digital Input
Enable 2
Logic signal input must be high (ANDed with EN1) to enable any gate drive
output
5
6, 33, 49,
50, 52, 53
7
8
9
10
RST
N/C
Digital Input
–
PUMP
VPUMP
VBAT
PHASEB
Power Drive
Out
Power Input
Digital Input
Digital Output
Reset
No Connect
Pump
Voltage Pump
Voltage Battery
Phase B
Reset input
These pins do not connect
Charge pump output
Charge pump supply
Battery supply
Totem Pole output of Phase B comparator. This output is low when the
voltage on PB_HS_S (Source of High-Side FET) is less than 50% of VBAT
11
PHASEC Digital Output
Phase C
Totem Pole output of Phase C comparator. This output is low when the
voltage on PC_HS_S (Source of High-Side FET) is less than 50% of VBAT
Analog Integrated Circuit Device Data
Freescale Semiconductor
33927
3