Przyczyna takich zachowań jest w większosci "drobnica"RC :?: zobacz czy nie ma śladów zalania - kilka przypadków opisano w tym temacie (czytaj dokładnie odpowiedzi) i na forum (opcja Szukaj) :idea: :!: BQ24780 ( w Lenovo popularne) i BQ24780S (w Acer, Asus, HP) to Nie to Samo, są różnice. * przy nie prawidłowej zamianie Brak ładowania! W tym modelu jest /powinien być BQ24780 * bez ( S ) Czytaj Link Z tego forum Link Od producenta TI Link https://obrazki.elektroda.pl/1168871700_1552339744_thumb.jpg ThinkPad E555 płyta:NM-A241 /* NM-A231 kbc: IT8586E charger: BQ24780 *chińska strona Link https://obrazki.elektroda.pl/3806927400_1552341353_thumb.jpg Charger bq780 w LA-A301P , str.44 Link p.s Inna platforma , ten sam bq780S https://obrazki.elektroda.pl/8391217900_1552338419_thumb.jpg Pomocny datasheet na ten bq780s Link BQ24780RUYR QFN24 BQ25715RGR QFN20 BQ24727RGR QFN20 BQ24735RGRR QFN20P Podobno bq780= bq777
2
1
2
3
1
2
4.7_0402_5%
1
4.7_0402_5%
PR725
& lt; 17,37,43 & gt;
1000P_0402_50V7K
2
PC723
ACIN
P R700
1M_0402_5%
2
1
1
2
3
PR714
2
REGN_CHG 1
100K_0402_5%
A
2
1
PR702
0.004_1206_1%
2
B
ACDET_CHG
ACDRV_CHG
CMSRC_CHG
PR717
0_0402_5%
1
3
2
PD700
2
1
2
IADP
ACDET
ACOK
ACDRV
CMSRC
ACP
ACN
PWPD
PC720
100P_0402_50V8J
1
7
6
5
4
3
2
1
29
PU700
PC711
1U_0603_25V6K
1
BAT54CW_SOT323-3
VIN
BATT++
P C709
0.1U_0402_25V6
1
2
Ğƚ
DĂdž͗ϭϴ͘ϭϲs
dLJƉ ͗ϭϳ͘ϵϴs
DŝŶ ͗ϭϳ͘ϴs
ADP_I
PC719
0.1U_0402_25V4Z~D
& lt; 43,58 & gt;
VIN
PC708
0.1U_0402_25V6
1
2
3
4
ADP_I = 40*I a da pt e r *Rs e ns e
I a da =0~12. 3A( 240W
)
I a da =0~9. 23A( 180W
)
IK = = F J F ! $ # A @ K L
a pt e r = 180W
= 1 8 0 W 1 9 . 5 V* 0 . 9 = 8 . 3 0 A
/
DI = 1 . 3 3 V
CC = 1 8 0 W 1 9 . 5 V* ( 1 * 0 . 9 5 ) = 8 . 7 7 A
/
PI = 1 . 4 0 V
CC( h y b r i d ) = 1 8 0 W 1 9 . 5 V = 9 . 2 3 A
/
PI = 1 . 4 8 V
OCHOT = 1 8 0 W 1 9 . 5 V+( 1 * 0 . 9 5 ) = 1 0 . 1 8 A
/
PI = 1 . 6 2 V
a pt e r = 240W
= 2 4 0 W 1 9 . 5 V* 0 . 9 = 1 1 . 0 7 A
/
PI = 1 . 7 7 V
CC= 2 4 0 W 1 9 . 5 V* 0 . 9 5 = 1 1 . 6 9 A
/
PI = 1 . 8 6 V
CC( h y b r i d ) = 2 4 0 W 1 9 . 5 V = 1 2 . 3 A
/
PI = 1 . 9 7 V
OCHOT = 2 4 0 W 1 9 . 5 V+( 1 * 0 . 9 5 ) = 1 3 . 2 5 A
/
PI = 2 . 1 2 V
P2
PC707
1U_0603_25V6K
1
2
5
P Q702
MDU1516URH_POWERDFN56-8-5
PI = 0 . 0 0 4 * 4 0 * I ADP = 0 . 1 6 * I ADP
PC722
1000P_0402_50V7K
1
2
3
PR726
PQ701
MDU1516URH_POWERDFN56-8-5
5
1
4
4
5
1
2
PR701
3M_0402_5%
2
1
4
1
S
PR706
4.12K_0603_1%
3
1
2
1
2
PC701
0.1U_0402_25V6
PR705
4.12K_0603_1%
2
1
P1
PR715
120K_0402_5%
PQ707
MDU1516URH_POWERDFN56-8-5
CSSP _2
1 CSSN_1
PR704
0_0402_5%
2
2
G
PR707
10_1206_1%
1
D
1
2
CSSN_2
PC702
0.047U_0402_25V7K
1
2
BQ24780RUYR_WQFN28_4X4
ILIM
SRN
SRP
BATSRC
TB_STAT#_CHG
16
15
BATSRC_CHG
17
2014/2/11
+3VALW
PR718
10K_0402_5%
PC705
10U_0805_25V6K
2
1
1
1
P R723
10_0402_5%
2
De ciphe re d Da te
5
PQ703
MDU1516URH_POWERDFN56-8-5
C
1
2
3
2014/2/11
PC716
0.1U_0402_25V6
1
2
PC715
680P_0402_50V7K
@ EMI@
SNUB_CHG
PR713
4.7_1206_5%
@ EMI@
Da te :
Size
Title
PC717
0.1U_0402_25V6
1
2
2
CV = 17.7V
CC = 3A
D
PC714
10U_0805_25V5K~D
2
1
PWR-Charger
LA-B751P
D
We dne s da y, Ma rch 26, 2014
S he e t
59
of
Compal Electronics, Inc.
PC721
0.1U_0402_25V6
1
2
CSON_1
Docume nt Numbe r
3
PR712
PL700
0.01_1206_1%
5.6UH_PCMB104T-5R6MS_8A_20%
1
2CHG
1
4
PQ706
P R722
10_0402_5%
2
4
4
PQ704
CHG_B+
Compal Secret Data
DL_CHG
LX_CHG
DH_CHG
PC706
10U_0805_25V6K
THIS S HEET OF ENGINEERING DRAWING IS THE P ROP RIETARY P ROP ERTY OF COMP AL ELECTRONICS , INC. AND CONTAINS CONFIDENTIAL
AND TRADE S ECRET INFORMATION. THIS S HEET MAY NOT BE TRANS FERED FROM THE CUS TODY OF THE COMP ETENT DIVIS ION OF R & D
DEP ARTMENT EXCEP T AS AUTHORIZED BY COMP AL ELECTRONICS , INC. NEITHER THIS S HEET NOR THE INFORMATION IT CONTAINS
MAY BE US ED BY OR DIS CLOS ED TO ANY THIRD P ARTY WITHOUT P RIOR WRITTEN CONS ENT OF COMP AL ELECTRONICS , INC.
Is s ued Date
S e curity Cla s s ifica tion
BATPRES#
TB_STAT#
2
PQ705
2N7002W-T/R7_SOT323-3
2 TB_STAT#_CHG
G
PR710
6.65K_0402_1%
EMI@ PC704
2200P_0402_50V7K
2
1
1.13K_0402_1%
BATDRV_CHG
1
S
D
PR711
18
19
20
21
+3VALW
EMI@ P L701
1UH_6.6A_20%_5X5X3_M
1
2
BATDRV
PC710
2.2U_0603_16V6K
B+
C
1
2
4
BATDRV_CHG
PQ700
DMN65D8LW-7_SOT323-3
1
49.9K_0402_1%
PR719
2
PR709
20K_0402_1%
1 CSSP_1
PR703
0_0402_5%
2
324K_0402_1%
PR716
1
2
1
2
2
1
PC712
10U_0805_25V5K~D
2
1
VIN
P C718
100P_0402_50V8J
LX_CHG
27
2
28
VCC
8
P HAS E
P MON
9
PR708
2.2_0603_1%
1
P ROCHOT#
10
IDCHG
& lt; 43,58,8 & gt;
DH_CHG
26
HIDRV
DL_CHG
2
BTS T_CHG
2
22
2
REGN_CHG 1
0_0402_5% PR724
1
H_PROCHOT#
2
1
@ EMI@ PC703
0.1U_0402_25V6
2
1
1
1 2
3
5
3
2
1
5
3
2
1
25
BTS T
S DA
11
2
0_0402_5% PR720
1
EC_SMB_DA1
BATSRC_CHG
PC713
10U_0805_25V5K~D
2
1
B
0_0402_5% PR721
AON6552 1N DFN5X6
MDV1525URH 1N
24
REGN
S CL
12
2
1
EC_SMB_CK1
1
2
1
2
CSOP_1
23
LODRV
13
GND
14
CMP IN
& lt; 42,43,58 & gt;
CMP OUT
& lt; 42,43,58 & gt;
1
2
1
2
A
PD701
SBR3U40P1-7_POWERDI123-2
69
Re v
0.1
BATT+
4
3
2
1