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6. Pin Description
Pin description
Pin
Pin name
No.
1
OCC
2
VCC
3
ENB
4
AGND
5
EN
7
OCM
8
PWM1
9
PWM2
11, 12,
VBAT
24, 25
13, 14
OUT1
15, 16, 17,
PGND
19, 20, 21
18
DIAG
22, 23
OUT2
27
TEST1
28
TEST2
6, 10, 26
NC
C1
CORNER1
C2
CORNER2
C3
CORNER3
C4
CORNER4
-
E-Pad
* The CORNER1 to 4, and E-Pad pins should be used connecting to GND. In addition, these pins are not
tested for a shipment.
Table 6 Pin description
Motor drive output control pin at the time of the over-current detection (This
pin is used for the judgement of whether the motor control output is ON or
OFF by this IC or by the MCU.)
5V power supply pin. This pin is used for internal logic and analog circuit.
Inverted input pin of driver operation permission
Ground pin for analog and digital circuit
Input pin of driver operation permission
Current monitoring pin at High-side. This pin can monitor the current which
flows from the voltage generated to an external resistor into the H-side.
Driver control signal input pin 1
Driver control signal input pin 2
Battery power supply
H-bridge driver output pin 1
Power ground pin (used as the ground of H-bridge)
Diagnostic signal output pin
Open drain type of output pin
H-bridge driver output pin 2
Test pin This pin should be used connecting to GND.
Test pin This pin should be used connecting to GND.
This pin should be used open.
These pins are connected to E-Pad.
This pin is used for a heat dissipation.
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Pin description
TB9051FTG
Ver.1.1 2019-03-14
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