參數(shù)資料
型號(hào)： TPD4104AKLBF
元件分類： 運(yùn)動(dòng)控制電子
英文描述： BRUSHLESS DC MOTOR CONTROLLER, 3 A, PZFM23
封裝： 1.27 MM PITCH, PLASTIC, HZIP-23
文件頁(yè)數(shù)： 3/24頁(yè)
文件大?。?/td> 340K
代理商： TPD4104AKLBF
TPD4104AK
2005-01-31
11
Description of Protection Function
(1)
Under voltage protection
This product incorporates the under voltage protection circuit to prevent the IGBT from operating in
unsaturated mode when the VCC voltage or the VBS voltage drops.
When the VCC power supply falls to this product internal setting (VCCUVD = 11 V typ.), all IGBT
outputs shut down regardless of the input. This protection function has hysteresis. When the
VCCUVR (= 11.5 V typ.) reaches 0.5 V higher than the shutdown voltage, this product is
automatically restored and the IGBT is turned on again by the input.
When the VBS supply voltage drops (VBSUVD = 9 V typ.), the high-side IGBT output shuts down.
When the VBSUVR (= 9.5 V typ.) reaches 0.5 V higher than the shutdown voltage, the IGBT is
turned on again by the input signal.
(2)
Thermal shutdown
This product incorporates the thermal shutdown circuit to protect itself against the abnormal state
when its temperature rises excessively.
When the temperature of this chip rises due to external causes or internal heat generation and the
internal setting TSD reaches 150°C, all IGBT outputs shut down regardless of the input. This
protection function has hysteresis (TSD = 50°C typ.). When the chip temperature falls to TSD
TSD, the chip is automatically restored and the IGBT is turned on again by the input.
Because the chip contains just one temperature detection location, when the chip heats up due to the
IGBT, for example, the differences in distance from the detection location in the IGBT (the source of
the heat) cause differences in the time taken for shutdown to occur. Therefore, the temperature of the
chip may rise higher than the thermal shutdown temperature when the circuit started to operate.
Safe Operating Area
Note 1: The above safe operating areas are Tj
= 135°C (Figure 1) and Tc = 95°C (Figure 2). If the temperature
exceeds thsese, the safe operation areas reduce.
2.0
0
400
P
e
ak
w
ind
in
g
c
u
rr
e
nt
(A
)
Power supply voltage VBB (V)
Figure 1
SOA at Tj
= 135°C
0
2.1
0400
Peak
w
indin
g
c
u
rr
ent
(A
)
Power supply voltage VBB (V)
Figure 2
SOA at Tc
= 95°C
0
相關(guān)PDF資料
PDF描述
TPD4104KLBF BRUSHLESS DC MOTOR CONTROLLER, 3 A, PZFM23
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