TA84002F Toshiba Semiconductor, TA84002F Datasheet - Page 3

• Manufacturer Part Number: TA84002F
• Description: TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT MULTI-CHIP
• Manufacturer: Toshiba Semiconductor

OUTPUT STAGE
l The TA84002F is Multichip IC consisting of four
l Four P−channel MOSETs are used as upper−side
l Output current is controlled by swiching
l Durin CHOP ON, the current flows through
l During CHOP OFF, the current circulates the
l Power dissipation is divided by the five chips.
P−channel MOSFETs and one main chip.
power transistors.
lower−side transistor.
P−channel MOS, The motor winding, sink
transistor and sense resistor.
motor winding, P−channel MOS and the diode of
P−channel MOS.
: (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)
3
TA84002F
2001-09-06