LTC4090EDJC#PBF Linear Technology, LTC4090EDJC#PBF Datasheet - Page 11

• Manufacturer Part Number: LTC4090EDJC#PBF
• Description: IC USB POWER MANAGER 22-DFN
• Manufacturer: Linear Technology

Specifications of LTC4090EDJC#PBF

• Function: Power Management
• Battery Type: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Pol)
• Voltage - Supply: 4.35 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 22-WFDFN Exposed Pad
• Supply Voltage Range: 4.35V To 5.5V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: DFN
• No. Of Pins: 22
• Msl: MSL 1 - Unlimited
• Termination Type: SMD
• Supply Voltage Min: 4.35V
• Rohs Compliant: Yes
• Filter Terminals: SMD
• Frequency: 2.7MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

BLOCK DIAGRAM
C
C
R
R
C
CLPROG
R
10k
PROG
10k
R
T1
T
C
F
10
10
10
10
10
10
10
22
13
23
15
14
HVIN
HVEN
R
SYNC
V
PG
IN
CLPROG
HPWR
PROG
V
NTC
T
C
NTC
1000
I
IN
500mA/100mA
0.1V
REFERENCE
INTERNAL
1V
2 A
+
–
–
+
–
+
+
–
SOFT-START
VC CLAMP
CHG
CL
+
–
NTC ENABLE
1V
TOO
HOT
COLD
TOO
CURRENT
CONTROL
+
–
TEMP 105°C
DIE
–
I L
CHARGE CONTROL
200kHz - 2.4MHz
OSCILLATOR
TA
I
+
–
LIM
+
16
NTCERR
SOFT-START
GND
2.8V
VOLTAGE DETECT
CONTROL LOGIC
IN OUT BAT
+
–
GM
IN
UVLO
–
+
+
CURRENT LIMIT
11
I
LIM
ENABLE
I CHG
SUSP
CNTL
+
–
RECHRG
V SET
3.6V (LTC4090)
5V (LTC4090-5)
SOFT-START2
BAT UV
RESET
R
S
350mV
(LTC4090)
HOLD
2μA
Q
Q
+
–
CC/CV REGULATOR
75mV (RISING)
25mV (FALLING)
3.15V (FALLING)
4.25V (RISING)
CHARGER
ENABLE
LTC4090/LTC4090-5
OUT
DRIVER
C/10
OSCILLATOR
COUNTER
BAT
EOC
CLK
30mV
–
+
+
–
IDEAL
DIODE
BOOST
STOP
–
+
+
–
+
–
+
–
–
+
0.25V
2.9V
BATTERY
UVLO
4.1V
RECHARGE
20mV
Q1
–
+
EDA
HVOUT
TIMER
CHRG
HVPR
GATE
OUT
SW
BAT
4090 BD
19
21
21
21
21
18
D1
C2
C
11
L1
TIMER
4090fc
C1