參數(shù)資料
型號(hào): A3935KLQ
廠商: Allegro MicroSystems, Inc.
英文描述: 3-PHASE POWER MOSFET CONTROLLER
中文描述: 3相功率MOSFET控制器
文件頁(yè)數(shù): 7/16頁(yè)
文件大?。?/td> 317K
代理商: A3935KLQ
3935
THREE-PHASE POWER
MOSFET CONTROLLER
www.allegromicro.com
7
ELECTRICAL CHARACTERISTICS:
unless otherwise noted at T
J
= -40°C to +150°C, V
BAT
= 7 V to 16 V,
V
DD
= 4.75 V to 5.25 V, ENABLE = 22.5 kHz, 50% Duty Cycle, Two Phases Active.
Limits
Characteristics
Symbol
Conditions
Min
Typ
Max
Units
Fault Logic
VDD Undervoltage
V
DD(uv)
Decreasing V
DD
3.8
4.3
V
VDD Undervoltage Hysteresis
V
DD(uv)
V
DD(recovery)
- V
DD(uv)
100
300
mV
OVSET Operating Volt. Range
V
SET(ov)
0
V
DD
V
OVSET Calibrated Volt. Range
V
SET(ov)
0
2.5
V
OVSET Input Current Range
I
SET(ov)
-1.0
+1.0
μA
VBAT Overvoltage Range
V
BAT(ov)
0 V < V
SET(ov)
< 2.5 V
19.4
40
V
VBAT Overvoltage
V
BAT(ov)
Increasing V
BAT
, V
SET(ov)
= 0 V
19.4
22.4
25.4
V
VBAT Overvoltage Hysteresis
V
BAT(ov)
Percent of V
BAT(ov)
value set by V
SET(ov)
9.0
15
%
VBAT Overvoltage Gain Constant
K
BAT(ov)
V
BAT(ov)
= (K
BAT(ov)
x V
SET(ov)
) + V
BAT(ov)
[0]
12
V/V
VBAT Undervoltage
V
BAT(uv)
Decreasing V
BAT
5.0
5.25
5.5
V
VBAT Undervoltage Hysteresis
V
BAT(uv)
Percent of V
BAT(uv)
8.0
12
%
VREG Undervoltage
V
REG(uv)
Decreasing V
REG
9.9
11.1
V
VDSTH Input Range
V
DSTH
0.5
3.0
V
VDSTH Input Current
I
DSTH
V
DSTH
> 0.8 V
40
100
μA
Short-to-Ground Threshold
V
STG(th)
With a high-side driver “on”, as V
SX
decreases,
V
DRAIN
- V
SX
> V
STG
causes a fault
V
DSTH
-0.3
V
DSTH
+0.2
V
Short-to-Battery Threshold
V
STB(th)
With a low-side driver “on”, as V
SX
increases,
V
SX
- V
LSS
> V
STB
causes a fault
V
DSTH
-0.3
V
DSTH
+0.2
V
V
DRAIN
/Open Bridge Oper. Range
V
DRAIN
7 V < V
BAT
< 40 V
-0.3
V
BAT
+2.0
V
V
DRAIN
/Open Bridge Current
I
VDRAIN
7 V < V
BAT
< 40 V
0
1.0
mA
V
DRAIN
/Open Bridge Threshold Volt.
V
BDGO(th)
If V
DRAIN
< V
BDGOTH
then a bridge fault occurs
1.0
3.0
V
Thermal Shutdown Temp.
T
J
160
170
180
°C
Thermal Shutdown Hysteresis
T
J
7.0
10
13
°C
NOTES: Typical Data and Typical Characteristics are for design information only.
Negative current is defined as coming out of (sourcing) the specified device terminal.
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