Pin Description
TA84006F/FG
Pin
Pin
No. Symbol
Pin Function
Remarks
1
LV
V-phase output upper Pch gate pin Leave open.
2
LW
W-phase output upper Pch gate pin Leave open.
3
OUT_W W-phase output pin
Connects motor.
4
VM2 Motor drive power supply pin
5
VZ
Reference voltage pin
Externally connects to VM1.
Used for the VM drop circuit reference voltage when VM (max) >= 22 V.
Left open when VM (max) <= 22 V.
6
RF1 Output current detection pin
Externally connected to RF2.
(Connect a detection resistor between this pin and GND.)
7 P_GND1 Power GND pin
Externally connects to P_GND2.
8
NC
Not connected
⎯
9
ISD Overcurrent detection output pin
Inputs the inversion of the ISD pin output to the OC pin of the
TB6548F/FG (or TB6537P/PG/F/FG).
10
IN_WN W-phase upper drive input pin
Connects to the OUT_WN pin of the TB6548F/FG (or
TB6537P/PGF/FG); incorporates pull-down resistor.
11
IN_WP W-phase lower drive input pin
Connects to the OUT_WP pin of the TB6548F/FG (or
TB6537P/PG/F/FG); incorporates pull-up resistor.
12
IN_VN V-phase upper drive input pin
Connects to the OUT_VN pin of the TB6548F/FG (or
TB6537P/PG/F/FG); incorporates pull-down resistor.
13
IN_VP V-phase lower drive input pin
Connects to the OUT_VP pin of the TB6548F/FG (or
TB6537P/PG/F/FG); incorporates pull-up resistor.
14
IN_UN U-phase upper drive input pin
Connects to the OUT_UN pin of the TB6548F/FG (or
TB6537P/PG/F/FG); incorporates pull-down resistor.
15
IN_UP U-phase lower drive input pin
Connects to the OUT_UP pin of the TB6548F/FG (or
TB6537P/PG/F/FG); incorporates pull-up resistor.
16 S_GND Signal GND pin
⎯
17
VCC Control power supply pin
18
N
Mid-point pin
VCC (opr) = 4.5 to 5.5 V
Mid-point potential confirmation pin; left open
19
COMP
Location detection signal output pin
Connects to the WAVE pin of the TB6548F/FG (or
TB6537P/PG/F/FG).
20
VISD1 Overcurrent detection input pin 1 Externally connects to the RF2 pin.
21
VISD2 Overcurrent detection input pin 2
Connect a capacitor between this pin and GND. Internal resistor and
capacitor used to reduce noise.
22
NC
Not connected
⎯
23
NC
Not connected
⎯
24 P_GND2 Power GND pin
Externally connects to the P_GND1 pin.
25
RF2 Output current detection pin
Externally connects to the RF1 pin. Connect a detection resistor
between this pin and GND.
26
NC
Not connected
⎯
27
Lu
U-phase upper output Pch gate pin Leave open.
28 OUT_U U-phase output pin
Connects motor.
29
VM1 Motor drive power supply pin
Externally connects to the VM2 pin.
30
OUT_V V-phase output pin
Connects the motor.
4
2004-08-10