TPD7210F TOSHIBA Semiconductor CORPORATION, TPD7210F Datasheet - Page 8

• Manufacturer Part Number: TPD7210F
• Description: Power Mosfet Gate Driver For 3-phase Dc Motor
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Under-
voltage
detection
Switching
times
Dead time (Note 6)
Oscillating frequency
FAULT output voltage
FAULT output
leakage current
FAULT output
delay time
Note3 : On-off output control, FAULT output and charge pump circuit operate from V
Note4 : When converting foward voltage of the charge pump circuit diode by 0.7V. Please use the diode of
Note5 : About the charge pump voltage
Characteristic
Detection
Turn-on
delay
time
Turn-on
time
Turn-off
delay
time
Turn-off
time
Hysteresis
pump voltage (CPV voltage) decreases by there are a lot of output currents in the condition with a low power
supply voltage (V
enough when using it .
high-speed type (trr ≤ 100ns).
So as not to apply over-voltage to the gate-source voltage(V
become the best driving voltage,the clamping circuit is built into. When the CPV voltage reaches the value,
so as not to apply over-voltage, the oscillation logic circuit of the charge pump is stopped.
4.5
t
∆V
d(FAULT)
t
V
Symbol
V
t
I
d (OFF)
d (ON)
FAULT
①
t
f
FAULT
t
DDUV
t
dead
OSC
OFF
DDUV
ON
(8)
DD
). It may be not enough voltage (V
Circuit
Test
−
1
−
−
−
−
−
②
3×VDD - 3×V
V
V
C
R
V
t
V
R
C
V
I
V
V
dead
FAULT
DD
CPV
DD
DD
DD
DD
FAULT
OUT
G
OSC
OSC
(18)
= 47 Ω
V
= 13.5 V,
= 13.5 V,
= 7 to 18V,
= 7 to 18 V,
= 7 to 18 V,
DD
= t
Condition
= 13.5 V,
= 12400 pF,
= 62 kΩ,
= 270 pF
= 1 mA
OFF
= 18 V
③
voltage →
−
−
− t
F
@V
d(ON)
IN1 to
8
CPV voltage
V
Min
Area①:V
Area②:V
Area③:V
5.0
80
−
−
−
−
−
−
−
−
−
IN6
GS
= 0V (V
) to drive external power MOSFET. Be careful
Typ.
0.25
0.25
0.25
100
5.5
0.5
0.5
0.5
CPV
CPV
CPV
−
−
−
GS
F
=3×V
) of external power MOSFET, and so as to
: diode forward voltage)
clamp=V
clamp=32.5V typ. (35V max)
Max
120
6.0
0.8
10
−
1
2
1
2
1
1
DD
DD
- 3×V
Unit
kHz
μA
μs
μs
μs
V
V
+ 14V typ.
DD
F
Under voltage detection
voltage and hysteresis
(V
UU, VU, WU, UB, VB
and WB switching
times
FAULT pin low−level
voltage (open−drain)
≥ 4.5V. However, charge
DD
voltage detected)
Remarks
TPD7210F
2008-05-12