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PCA9420 Datasheet(PDF) 64 Page - NXP Semiconductors

Part # PCA9420
Description  Power management IC for low-power microcontroller applications
PDF  87 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9420 Datasheet(HTML) 64 Page - NXP Semiconductors

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NXP Semiconductors
PCA9420
Power management IC for low-power microcontroller applications
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VIN_ILIM [2:0] = 000 74
85
98
VIN Current Limit
Input current limit
VIN_ILIM [2:0] = 010 370
425
489
mA
ASYS
VASYS_UVLO_RISING
ASYS in rising
2.8
V
ASYS in falling
2.7
VASYS_UVLO_FALLING
By MTP
2.4
V
%VASYS_UVLO_FALLING
ASYS UVLO
Accuracy
-3.5
+3.5
%
VASYS_UVLO_HYS
ASYS UVLO
Hysteresis
400 mV for 2.4 V
falling threshold
100
or 400
mV
TASYS_SW_DELAY
Time when ASYS
voltage is switched
between VIN and
VBAT
0.5
ms
VASYS_PREWARNING
ASYS Pre-Warning Threshold
Accuracy
ASYS falling, I2C
programmable
3.3
3.4
3.5
3.6
V
%VASYS_PREWARNING
ASYS Pre-Warning Threshold
Accuracy
-4
+4
%
VASYS_PREWARNING_HYS ASYS Pre-warning Threshold
Hysteresis
100
mV
VBAT_BKUP
VBAT_BKUP UVLO
VBAT_BKUP falling
edge
1.9
V
VBAT_BKUP
UVLO Accuracy
-5
5
%
VBAT_BKUP
UVLO Hysteresis
100
mV
PROTECTION[1]
TWARNING
Pre-warning temperature
2-bit programmable,
T_WARNING [1:0]
75
80
85
90
°C
TWARNING_HYS
Pre-warning threshold
Hysteresis
20
°C
TSHDN
Thermal shutdown
3-bit programm
able,THEM_SHDN
[2:0], in 5 °C steps
95
to
125
°C
TSHDN_HYS
Thermal shutdown Hysteresis
20
°C
WATCHDOG & SAFETY TIMER
Table 80. EC table for Top level...continued
PCA9420
All information provided in this document is subject to legal disclaimers.
© 2022 NXP B.V. All rights reserved.
Product data sheet
Rev. 4.0 — 28 November 2022
64 / 87



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