HA13631T Datasheet, PDF (3/20 Pages) Hitachi Semiconductor – CD-ROM Combo Driver

HA13631T
Pin Description
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
Pin Name
ASGND
SLDIN
OP3IN
OP4IN
VSLD
TRYIN
SLDP
SLDN
SLDGND
VTRY
TRYP
TRYN
BSTGND
BP1
BP2
VBST
U
RNF
V
W
EXTCOM
FGOUT
COMM
BRKSEL
CE
HB
HU+
ASGND
ASGND
VSPN
HU–
HV+
HV–
Function
Actuator small signal GND
SLD driver control input
Inverted input of OP amp. 3 for SLD driver control
Inverted input of OP amp. 4 for TRY driver control
SLD driver power supply
TRY driver control input
SLD driver P output
SLD driver N output
SLD and TRY driver GND
TRY driver power supply
TRY driver P output
TRY driver N output
Booster GND
Booster pumping capacitor connection
Booster pumping capacitor connection
Booster output pin. This circuit generates a voltage about two times of the VSPN
pin.
U phase output
SPN driver current detection
V phase output
W phase output
COMM signal on/off control and FGOUT switching. (Refer to the Timing Chart)
FG output (Refer to the Timing Chart) open drain
Start-up clock input pin for sensorless (Refer to the Timing Chart)
To select the brake mode (Refer to the Truth Table)
Chip enable (Refer to the Truth Table)
Hall bias switch
U-phase Hall +input, and U-phase B-EMF connection pin for sensorless
Actuator small signal GND
Actuator small signal GND
SPN driver power supply
U-phase Hall –input, and center tap connection pin for sensorless
V-phase Hall +input, and V-phase B-EMF connection pin for sensorless
V-phase Hall –input, and center tap connection pin for sensorless
3