LTC4100 Linear Technology, LTC4100 Datasheet - Page 2

• Manufacturer Part Number: LTC4100
• Description: Smart Battery Charger Controller
• Manufacturer: Linear Technology

ABSOLUTE AXI U RATI GS
(Note 1)
LTC4100
Voltage from V
Voltage from CHGEN, DCDIV, SDA, SCL
Voltage from DCIN, CLP, CLN to GND ........... 32V/–0.3V
PGND wrt. GND .................................................... 0.3V
CSP, BAT to GND .............................................. 28V/–5V
Operating Ambient Temperature Range (Note 4)
Junction Temperature Range ............... – 40 C to 125 C
Storage Temperature Range ................. – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
ELECTRICAL CHARACTERISTICS
SYMBOL
I
V
I
V
Shutdown
UVLO
Current Sense Amplifier, CA1
CMSL
CMSH
2
temperature range, otherwise specifications are at T
DCIN
TOL
TOL
DD
and SMBALERT to GND .............................. 7V/–0.3V
........................................................... – 40 C to 85 C
DD
PARAMETER
DCIN Operating Range
DCIN Operating Current
Charge Voltage Accuracy
Charge Current Accuracy (Note 3)
V
Battery Leakage Current
Undervoltage Lockout Threshold
V
DCIN Current in Shutdown
Input Bias Current into BAT Pin
CA1/I
CA1/I
DD
DD
W
to GND ................................ 7V/–0.3V
Operating Voltage
Power-Fail
1
1
Input Common Mode Low
Input Common Mode High
W W
U
A
= 25 C. V
CONDITIONS
Charging
(Note 2)
V
I
0V V
DCIN = 0V, V
DCIN Rising, V
Part Held in Reset Until this V
V
V
DAC
CSP
CHGEN
DCIN
The
= 0xFFFF
– V
DCIN
= 0V
28V
BAT
DCIN
denotes the specifications which apply over the full operating
Target = 102.3mV
CLP
32V
= 20V, V
BAT
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
= V
= 0V
CLN
SMBALERT
CHGEN
= V
DD
TGATE
BGATE
DCDIV
PGND
INFET
DCIN
GND
SDA
ACP
SCL
T
CSP
JMAX
= 3.3V, V
DD
24-LEAD PLASTIC SSOP
10
11
12
1
2
3
4
5
6
7
8
9
= V
= 125 C,
Present
G PACKAGE
TOP VIEW
BAT
BAT
JA
= 90 C/W
= 12V unless otherwise noted. (Note 4)
24
23
22
21
20
19
18
17
16
15
14
13
CLP
CLN
BAT
CSP
I
I
V
V
THA
THB
V
I
DC
TH
LIM
SET
DD
LIM
–0.8
MIN
4.2
–1
–3
–5
6
3
0
U
11.66
TYP
4.7
15
3
2
ORDER PART
LTC4100EG
NUMBER
W
V
CLN
MAX
0.8
5.5
5.5
28
30
5
1
3
5
3
3
-0.2
sn4100 4100is
UNITS
U
mA
mA
%
%
%
%
V
V
A
V
V
A
V
V