TB9051FTG
Ver.1.1 2019-03-14
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10.3. Motor drive output circuit
Table 10.3 Electrical characteristics of motor drive output circuit
Test condition unless otherwise specified,
VBAT = 4.5 to 28 V,VCC = 4.5 to 5.5 V,Ta = -40 to 125°C
Parameter Symbol
Pin
name
Test condition
MIN TYP. MAX
Unit
H-Bridge
Output ON
resistance
(High Side
+Low Side)
Ron
(H+L)
OUT1, OUT2
Tj = +25
°C
Iout = 3 A,
VBAT = 8 V
- - 340
m
Ω
Tj = +150
°C
Iout = 3 A,
VBAT = 8 V
- - 450
Tj = +150
°C
Iout = 3 A,
VBAT = 4.5 V
- - 510
Output leakage
current
Ioutleak OUT1,
OUT2
OUT1/2: OFF (High-Z)
Vout = VBAT = 28 V
- 0 100
μ
A
OUT1/2: OFF (High-Z)
Vout = GND
-100 0 -
Output Slew
Rate
trD/tfD OUT1,
OUT2
VBAT = 14 V,
Figure 10.9-1
0.3 0.8 1.6
μ
s
Delay time of driver
output
tD(on)
PWM1,
PWM2
OUT1, OUT2
RL = 3
Ω
, VBAT = 14 V
Figure 10.9-2
- 8.0 13
μ
s
tD(off) -
8.0
13
μ
s
Δ
tD tD(on)-tD(off)
-
0
5
μ
s
Delay time of
Enable/Disable
tDEN
EN, ENB
OUT1, OUT2
Figure 10.9-3,
Test circuit is shown in
Figure 11.2.
- - 5
μ
s