D9259 Shaoxing Silicore Technology, D9259 Datasheet - Page 7

• Manufacturer Part Number: D9259
• Description: 5-CH Motor Driver
• Manufacturer: Shaoxing Silicore Technology

2. TSD (THERMAL SHUTDOWN)
3. REGULATOR
4. LOADING MOTOR DRIVER
The V
circuit and acts as the input voltage of the TSD circuit.
When the chip temperature rises up to 175°C, then the turn-on voltage of
The V
The external circuit is composed of the transistor, KSB772 and a
The output voltage, V
The input voltage of (5V and 0V) or (0V and 5V) pairs are applied to the input pin#9 and #14 respectively.
When the input voltage are applied to the input pin#9 and #14, then the output of the comparator is decided
As shown in the above diagram, the difference ∆V，[V
Silicore
V
circuit and is the reference voltage of the regulator.
capacitor, 100µF, and the capacitor is used as a ripple eliminator and
should have a good temperature characteristics.
The base-emitter voltage of the TR, Q11 is designed to turn-on at below
the Q11 would drop down to 400mV. Hence, the Q11 would turn on so
the output circuit will be muted.
depends on the input voltage status.
terminals of the motor. The direction of the motor is decided by the voltage difference, +∆V and -∆V.
voltage. V
OUT
=V
REF BG
REF BG
REF BG
BE
is the output voltage of the band-gap-referenced biasing
=V
is the output voltage of the band-gap-referenced biasing
×2=2.5×2=5V (R2=R3)
REF BG
OUT
×R12/（R11+R12）=400mV。
is decided as follows.
SHAOXING SILICORE TECHNOLOGY CO.,LTD
www. Silicore. com. cn
CHMC
R2=R3
REF1
+（1×R）]-[V
REF1
-（1 R）], is applied to the both
D9259
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