TA84002FG(5,EL) Toshiba, TA84002FG(5,EL) Datasheet - Page 4

• Manufacturer Part Number: TA84002FG(5,EL)
• Description: IC STEPPER MOTOR DRVR 2PH 20HSOP
• Manufacturer: Toshiba
• Type: Bipolar Stepper Motor Driverr

Specifications of TA84002FG(5,EL)

• Applications: Stepper Motor Driver, 2 Phase
• Number Of Outputs: 1
• Current - Output: 800mA
• Voltage - Load: 10 V ~ 30 V
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -30°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-HSOP
• Product: Stepper Motor Controllers / Drivers
• Operating Supply Voltage: 5 V
• Supply Current: 180 mA
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: TA84002FGTR

OUTPUT STAGE
The TA84002F/FG is a multichip IC consisting of
four P-channel MOSFETs and one main chip.
The four P-channel MOSETs are used as
upper-side power transistors.
The output current is controlled by a switching
lower-side transistor.
During CHOP ON, the current flows through the
P-channel MOS, motor winding, sink transistor
and sense resistor.
During CHOP OFF, the current circulates the
motor winding, P-channel MOS and the diode of
the P-channel MOS.
Power dissipation is divided between the five
chips.
: (1) CHOP ON
: (2) CHOP OFF
: (3) ALL OFF
(Drive Mode)
Q1: ON, Q2: OFF
Q3: OFF, Q4: ON
(Slow Decay)
Q1: ON, Q2: OFF
Q3: OFF, Q4: OFF
(Fast Decay)
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TA84002F/FG
2006-3-6