A3935KLQTR-T Datasheet, PDF (5/13 Pages) Allegro MicroSystems – 3-Phase Power MOSFET Controller for Automotive Applications

A3935
3-Phase Power MOSFET Controller for Automotive Applications
ELECTRICAL CHARACTERISTICS (continued) at T_J = –40°C to 150°C, V_BAT = 7 to 16 V, V_DD = 4.75 to 5.25 V,
ENABLE = 22.5 kHz, 50% duty cycle, two phases active;unless otherwise noted
Characteristics
Symbol
Conditions
Min. Typ¹. Max.
Gate Drives, GLx (internal sink or lower switch stages)⁶
Sink Current (pulsed)
Sink On Resistance
Gate Drives, GHx, GLx (General)^5,6
I_xL
r_DSL(on)
V_DSL = 10 V, T_J = 25°C
V_DSL = 10 V, T_J = 135°C
I_xL = 150 mA, T_J = 25°C
I_xL = 150 mA, T_J = 135°C
– 850 –
550 –
–
1.8 – 6.0
3.0 – 7.5
Propagation Delay, Logic only
Output Skew Time
Dead Time (shoot–through prevention)
Sense Amplifier
t_pd
t_sk(o)
t_dead
Logic input to unloaded GHx, GLx
Grouped by edge, phase–to–phase
Between GHx, GLx transitions of same phase
–
– 150
–
– 50
75
– 180
Input Bias Current²
Input Offset Current²
Input Resistance
I_bias CSP = CSN = 0 V
I_IO
CSP = CSN = 0 V
CSP with respect to GND
r_i
CSN with respect to GND
–180 – –360
–
– ±35
–
80
–
– 4.0 –
Diff. Input Operating Voltage
Output Offset Voltage
Output Offset Voltage Drift
Input Common Mode Operating Range
Voltage Gain
Low Output Voltage Error
DC Common Mode Attenuation
Output Resistance
Output Dynamic Range
V_ID
V_OO
ΔV_OO
V_IC
A_V
E_V
A _VC
r_O
V_ID = CSP – CSN, –1.3V < CSP,N < 4V
CSP = CSN = 0 V
CSP = CSN = 0 V
CSP = CSN
V_ID = 40 to 200 mV
V_ID = 0 to 40 mV, V_O = (19.2 × V_ID) + V_O + E_v
CSP = CSN = 200 mV
V_CSOUT = 2.0 V
V_CSOUT I_CSOUT = –100 μA at top rail, 100 μA at bottom rail
–
77
–
–1.5
18.6
–
28
–
0.075
–
250
100
–
19.2
–
–
8.0
–
±200
450
–
4.0
19.8
±25
–
–
V_DD –
0.25
Output Current, Sink
Output Current, Source²
VDD Supply Ripple Rejection
VREG Supply Ripple Rejection
Small Signal 3 dB Bandwidth
AC Common Mode Attenuation
Output Slew Rate (positive or negative)
I_sink
V_CSOUT = 2.5 V
I_source V_CSOUT = 2.5 V
PSRR_VDD CSP = CSN = GND, frequency = 0 to 1 MHz
PSRR_VREG CSP = CSN = GND, frequency = 0 to 300 kHz
BW_f3db 10 mV input
A_VC(ac) V_cm = 250 mV(pp), frequency = 0 to 800 kHz
SR 200 mV step input, measured at 10/90% points
20
–
–
–1.0 –
–
20
–
–
45
–
–
– 1.6 –
26
–
–
10
–
–
Fault Logic
VDD Undervoltage
VDD Undervoltage Hysteresis
OVSET Operating Voltage Range
OVSET Calibrated Voltage Range
OVSET Input Current Range²
VBAT Overvoltage Range
VBAT Overvoltage Hysteresis
V_DD(uv) Decreasing V_DD
∆V_DD(uv) V_DD(recovery) – V_DD(uv)
V_SET(ov)
V_SET(ov)cal
I_SET(ov)
V_BAT(ov)
0 V < V_SET(ov) < 2.5 V
Increasing V_BAT, V_SET(ov) = 0 V
∆V_BAT(ov) Percent of V_BAT(ov) value set by V_SET(ov)
3.8 – 4.3
100 – 300
0
–
V_DD
0
– 2.5
–1.0 – 1.0
19.4 – 40
19.4 22.4 25.4
9.0 – 15
Units
mA
mA
Ω
Ω
ns
ns
ns
μA
μA
kΩ
kΩ
mV
mV
μV/°C
V
V/V
mV
dB
Ω
V
mA
mA
dB
dB
MHz
dB
V/μs
V
mV
V
V
μA
V
V
%
Continued on the next page…
Allegro MicroSystems, Inc.
5
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com