FAN54041UCX データシートの表示（PDF） - Fairchild Semiconductor
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FAN54041UCX
Fairchild Semiconductor
FAN54041UCX Datasheet PDF : 41 Pages
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Block Diagram
VBUS
CBUS
PGND
AGND
Q3
CHARGE
PUMP
IBUS &
VBUS
CONTROL
PWM
MODULATOR
Q1
Q1A
Q1B
Q2
VBUS OVP
POWER OK
PGND
POK_B
ILIM
SDA
SCL
DIS
STAT
I2C INTERFACE
LOGIC AND CONTROL
Q4
CC and CV
Battery
Charger
TEMP
SENSE
PMID
CMID
SW L1
CSYS
SYS
SYSTEM
LOAD
Q5
GATE
Q4A
External
PMOS
Q4B
VBAT
NTC
REF RREF
CREF
T
CBAT
BATTERY
+
PMID
Greater than VBAT
Less than VBAT
Q1A
ON
OFF
Q1B
OFF
ON
SYS
Greater than VBAT
Less than VBAT
Figure 2. IC and System Block Diagram
Q4A
ON
OFF
Q4B
OFF
ON
Table 2. Recommended External Components
Component
Description
Vendor
Parameter
L1
1 H, 20%, 2.2 A, 2016
Taiyo Yuden MAKK2016T1R0M
L
or Equivalent
DCR (Series R)
CBAT, CSYS
10 F, 20%, 6.3 V, X5R, 0603
Murata: GRM188R60J106M
TDK: C1608X5R0J106M
C
CMID
4.7 F, 10%, 6.3 V, X5R, 0603
Murata: GRM188R60J475K
TDK: C1608X5R0J475K
C(2)
CBUS,
1.0 F, 10%, 25 V, X5R, 0603
Murata GRM188R61E105K
TDK:C1608X5R1E105M
C
Q5
PMOS,12 V, 16 m, MLP2x2
Fairchild FDMA905P
RDS(ON)
CREF
1 F, 10%, 6.3 V, X5R, 0402
C
Note:
2. 6.3 V rating is sufficient for CMID since PMID is protected from over-voltage surges on VBUS by Q3.
Typ.
1.0
75
10
4.7
1.0
16
1.0
Unit
H
m
F
F
F
m
F
© 2012 Fairchild Semiconductor Corporation
FAN54040 – FAN54047 • Rev. 1.0.2
3
www.fairchildsemi.com
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