TD340ID STMicroelectronics, TD340ID Datasheet - Page 9

• Manufacturer Part Number: TD340ID
• Description: MOSFET & Power Driver ICs H-Bridge Quad MOSFET
• Manufacturer: STMicroelectronics
• Type: High Side/Low Sider

Specifications of TD340ID

• Supply Voltage (min): 6.5 V
• Supply Current: 7 mA
• Maximum Power Dissipation: 500 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: SO-20
• Bridge Type: H Bridge
• Minimum Operating Temperature: - 40 C
• Number Of Drivers: 4
• Number Of Outputs: 4
• Output Current: 1.5 A
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

TD340
Figure 3 : Synchronous Rectification Principle
Table 1 : Function Table in Digital and Analog Modes
Notes:
- Standby state is active when STBY pin is pulled low
- Disable state is active when one of the following conditions is met: UVLO, OVLO, Reset, Watchdog Timeout.
State
Stby
X
1
0
0
0
0
0
0
ex1:
Speed: PWM=x%
No synchronous rectification
FULL
OFF
PWM
HIGH DISSIPATION
THROUGH FREE WHEEL DIODE!
Disable
State
X
1
0
0
0
0
0
0
digital
0 idle
0 idle
PWM
PWM
5 idle
5 idle
X
X
IN1 (V)
1-x%
x%
M
1.2 to 3.6
1.2 to 3.6
analog
0 to 1.2
0 to 1.2
3.6 to 5
3.6 to 5
X
X
IN2
(V)
X
X
0
5
0
5
0
5
FULL
ON
FULL
OFF
PWM
Q1L
OFF
OFF
OFF
OFF
OFF
ON
ON
Mosfets Status
!PWM
Q1H
OFF
OFF
OFF
OFF
ON
ON
ON
ex2:
Speed: PWM=x%
With synchronous rectification - TD340
PWM
PWM
LOW DISSIPATION
THROUGH LOW Rdson!
PWM
Q2L
OFF
OFF
OFF
OFF
OFF
ON
ON
!PWM
Q2H
OFF
OFF
OFF
OFF
ON
ON
ON
Motor Off in Standby Mode
Motor Off in Disable Mode
Motor Brake Low
Motor Brake High
Motor x% Forward
Motor x% Backward
Motor 100% Forward
Motor 100% Backward
1-x%
x%
M
Comments
FULL
ON
FULL
OFF
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