LTC4100 Linear Technology, LTC4100 Datasheet - Page 4

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

LTC4100
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
SYMBOL
AC Present Comparator
V
SafetySignal Decoder
DACs
4
ACP
PARAMETER
DCDIV Threshold
DCDIV Hysteresis
DCDIV Input Bias Current
ACP V
ACP V
DCDIV to ACP Delay
SafetySignal Trip (RES_COLD/RES_OR)
SafetySignal Trip (RES_IDEAL/RES_COLD)
SafetySignal Trip (RES_HOT/RES_IDEAL)
SafetySignal Trip (RES_UR/RES_HOT)
Time Between SafetySignal Measurements
Charging Current Resolution
Charging Current Granularity
Wake-Up Charging Current (I
Charging Current Limit
CSP – BAT
Charging Voltage Resolution
Charging Voltage Granularity
OH
OL
WAKE-UP
)
A
CONDITIONS
V
V
I
I
V
R
R
R
R
R
R
R
R
DCDIV = 1.3V
DCDIV = 1V
Guaranteed Monotonic Above I
R
R
R
R
All Values of R
All Values of R
R
Charging Current = 0x03FF (0x0400 Note 7)
R
Charging Current = 0x07FE (0x0800 Note 7)
R
Charging Current = 0x0BFC (0x0C00 Note 7)
R
Charging Current = 0x0FFC (0x1000 Note 7)
Guaranteed Monotonic (2.9V V
ACP
ACP
DCDIV
DCDIV
DCDIV
THA
THB
THA
THB
THA
THB
THA
THB
LIMIT
LIMIT
LIMIT
LIMIT
LIMIT
LIMIT
LIMIT
LIMIT
= 25 C. V
= –2mA
= 1mA
= 1130
= 54.9
= 1130
= 54.9
= 1130
= 54.9
= 1130
= 54.9
= 0 (0-1A)
= 10k 1%, (0-2A)
= 33k 1% (0-3A)
= 0pen (or Short to V
= 0
= 10k 1%
= 33k 1%
= Open (or Short to V
The
Rising from 1V to 1.4V
= 1.2V
= 1.3V
DCIN
denotes the specifications which apply over the full operating
ILIM
VLIM
1%
1%
1%
1%
1%, C
1%, C
1%, C
1%, C
= 20V, V
TH
TH
TH
TH
= 1nF (Note 6)
= 1nF (Note 6)
= 1nF (Note 6)
= 1nF (Note 6)
DD
DD
DD
) (0-4A)
)
MAX
= 3.3V, V
BAT
/16
28V)
BAT
= 12V unless otherwise noted. (Note 4)
1.14
28.5
2.85
97.3
97.3
72.3
97.3
MIN
425
–1
95
10
11
2
80 (NOTE 5)
1.20
TYP
100
500
25
30
32
16
3
1
2
4
4
107.3
107.3
107.3
MAX
1.26
31.5
3.15
82.3
105
575
250
0.5
10
1
sn4100 4100is
UNITS
Bits
Bits
mV
mA
mA
mA
mA
mA
mV
mV
mV
mV
mV
ms
ms
k
k
k
V
A
V
V
s