Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

PCA9420 Datasheet(PDF) 44 Page - NXP Semiconductors

Part # PCA9420
Description  Power management IC for low-power microcontroller applications
PDF  87 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9420 Datasheet(HTML) 44 Page - NXP Semiconductors

Back Button PCA9420 Datasheet HTML 40Page - NXP Semiconductors PCA9420 Datasheet HTML 41Page - NXP Semiconductors PCA9420 Datasheet HTML 42Page - NXP Semiconductors PCA9420 Datasheet HTML 43Page - NXP Semiconductors PCA9420 Datasheet HTML 44Page - NXP Semiconductors PCA9420 Datasheet HTML 45Page - NXP Semiconductors PCA9420 Datasheet HTML 46Page - NXP Semiconductors PCA9420 Datasheet HTML 47Page - NXP Semiconductors PCA9420 Datasheet HTML 48Page - NXP Semiconductors Next Button
Zoom Inzoom in Zoom Outzoom out
 44 / 87 page
background image
NXP Semiconductors
PCA9420
Power management IC for low-power microcontroller applications
Bit
Symbol
Default value Type
Function
7
6
IN_PWR_
STATUS
00
R
VIN and ASYS charger input power Status
00: Input power is invalid. VIN<VIN_UVLO
01: Input power is invalid. ASYS< VBAT+VINBAT_HEADROOM and
VIN>VIN_UVLO
10: Input power is invalid. VIN>VIN_OVP
11: Input power is valid. VIN>VIN_UVLO, ASYS>VBAT+VINBAT_
HEADROOM, VIN<VIN_OVP
5
RSVD
0
R
Reserved bit
4
TREG_STATUS
0
R
Temperature Regulation Loop Status
0: Die junction temperature is less than the threshold set by
THM_REG and the full charge current limit is available.
1: Die junction temperature is greater than the threshold set by THM_
REG, and the charge current limit may be folding back to reduce
power dissipation.
3
RSVD
0
R
Reserved bit
2
RSVD
0
R
Reserved bit
1
RSVD
0
R
Reserved bit
0
RSVD
0
R
Reserved bit
Table 39. CHG_STATUS_1 register bit description
9.5.24 Battery charger status_2 (CHG_STATUS_2, address 1Ah)
This register stores the present status of the linear battery charger, part 2.
This is a READ ONLY register. The status of this register is only valid when IN_PWR_OK
= 1. The status of this register is only valid when VIN_ILIM condition is not reached.
Bit
Symbol
Default value Type
Function
7
RSVD
0
R
Reserved bit
6
5
4
BAT_DETAIL_
STATUS
[2:0]
111
R
Battery conditions in details
000: Battery missing, not attached
001: Battery detection in-progress
010: VBAT < VBAT_DEAD
011: VBAT_DEAD < VBAT < VBAT_LOW
100: VBAT_LOW < VBAT < (VBAT_REG – VBAT_RESTART)
101: VBAT > (VBAT_REG – VBAT_RESTART)
110: reserved
111: battery charger is in reset
3
RSVD
0
R
Reserved bit
Table 40. CHG_STATUS_2 register bit description
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
44 / 87



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com