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STEC01 Scheda tecnica(PDF) 6 Page - STMicroelectronics

Il numero della parte STEC01
Spiegazioni elettronici  Ground path safety switch with programmable timers
PDF  22 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STEC01 Scheda tecnica(HTML) 6 Page - STMicroelectronics

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5
Electrical characteristics
TA = 25 °C, VBAT = 3.7 V, CBAT = 1 μF, T1P1=T1P2=GND, RTPF = 100 kΩ, T3P = GND, unless otherwise
specified.
Table 4. Electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max. Unit
VBAT
Supply voltage range
2.2
5
V
VUVLO
Undervoltage lockout
Turn-on, voltage rising,
TA from -40 to 85 °C
1.7
1.9
2.2
V
VHyst
UVLO hysteresis
VBAT falling
0.05
V
tBATT_PWM
VBAT valid to PWM time
VBAT rising above UVLO then PWM rising
1
3.5
ms
VPWM
PWM input voltage range
TA from -40 to 85 °C
1
10
V
VIL_MAX
PWM threshold
TA from -40 to 85 °C
0.3
V
VIH_MIN
0.9
PWM_HysT
PWM hysteresis
0.006 0.05
FPWM
PWM operating frequency
(1)
4
5000
Hz
tPWM_HI
PWM minimum high time
40
µs
RDS(on)
Internal power MOSFET on-
resistance
VBAT = 2.5 V, IPWR=1 A
12
mΩ
VBAT = 3 V, IPWR=1 A
11.3
TA from -40 to 85 °C, VBAT=>2.5 V IPWR=1 A
20
IL_PWR
NFET leakage current
PWR=10 V, fault condition
1.5
µA
IBATT
Battery supply current
VBAT from 2.2 to 5 V, active mode
30
µA
IBATT_IDLE
Idle battery current
IC in idle-mode
2
4
µA
IC in idle-mode,
TA from -40 to 85 °C
10
RGDRV_H
Gate drive high resistance
IGDRV=5 mA, PWM=high,
T1 and T2 not expired
30
Ω
RGDRV_L
Gate drive low resistance
IGDRV=-5 mA,
IC idle or in fault mode
8
VHW_RESET
Hardware reset threshold
TA from -40 to 85 °C
0.3
0.9
V
IHW_RESET
Hardware reset leakage
TA from -40 to 85 °C, VHW_RESET=10 V
1
µA
tHW_RESET_dl
Hardware reset deglitch time
10
ms
VRESET/FAULT
VOL_MAX
IRESET=2 mA, fault condition,
TA from -40 to 85 °C
0.2
V
IRESET/FAULT
Reset leakage current
VRESET/FAULT=5 V,
TA from -40 to 85 °C
1
µA
tPW_RESET
Reset pulse width
50
57
66
ms
VPT
Programming threshold pins VIL,
input logic low
Applies to T1P1, T1P2, T3P
0.2
V
STEC01
Electrical characteristics
DS13063 - Rev 2
page 6/22



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