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LTC4100EGTRPBF Datasheet(PDF) 5 Page - Linear Technology

Part # LTC4100EGTRPBF
Description  Smart Battery Charger Controller
Download  30 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4100EGTRPBF Datasheet(HTML) 5 Page - Linear Technology

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LTC4100
5
4100fb
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VDCIN = 20V, VDD = 3.3V, VBAT = 12V unless otherwise noted. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Logic Levels
VIL
SCL/SDA Input Low Voltage
VDD = 3V and VDD = 5.5V
0.8
V
VIH
SCL/SDA Input High Voltage
VDD = 3V and VDD = 5.5V
2.1
V
VOL
SDA Output Low Voltage
IPULL-UP = 350μA
0.4
V
IIL
SCL/SDA Input Current
VSDA, VSCL = VIL
–1
1
μA
IIH
SCL/SDA Input Current
VSDA, VSCL = VIH
–1
1
μA
VOL
SMBALERT Output Low Voltage
IPULL-UP = 500μA
0.4
V
SMBALERT Output Pull-Up Current
VSMBALERT = VOL
–17.5
–10
–3.5
μA
ILEAK
SDA/SCL/SMBALERT Power Down Leakage
VSDA, VSCL, VSMBALERT = 5.5V, VDD = OV
–2
2
μA
VOL
CHGEN Output Low Voltage
IOL = 100μA
0.5
V
CHGEN Output Pull-Up Current
VCHGEN = VOL
–17.5
–10
–3.5
μA
VIL
CHGEN Input Low Voltage
0.9
V
VIH
CHGEN Input High Voltage
VDD = 3V
VDD = 5.5V
2.5
3.9
V
V
Power-On Reset Duration
VDD Ramp from 0V to >3V in <5μs
100
μs
SMBus Timing (Refer to System Management Bus Specification, Revision 1.1, Section 2.1 for Timing Diagrams)
tHIGH
SCL Serial Clock High Period
IPULL-UP = 350μA, CLOAD = 250pF,
RPU = 9.31k, VDD = 3V and VDD = 5.5V
4μs
tLOW
SCL Serial Clock Low Period
IPULL-UP = 350μA, CLOAD = 250pF,
RPU = 9.31k, VDD = 3V and VDD = 5.5V
4.7
15000
μs
tR
SDA/SCL Rise Time
CLOAD = 250pF, RPU = 9.31k, VDD = 3V and
VDD = 5.5V
1000
ns
tF
SDA/SCL Fall Time
CLOAD = 250pF, RPU = 9.31k, VDD = 3V and
VDD = 5.5V
300
ns
tSU:STA
Start Condition Setup Time
VDD = 3V and VDD = 5.5V
4.7
μs
tHD:STA
Start Condition Hold Time
VDD = 3V and VDD = 5.5V
4μs
tHD:DAT
SDA to SCL Falling-Edge Hold Time, Slave
Clocking in Data
VDD = 3V and VDD = 5.5V
300
ns
tTIMEOUT
Time Between Receiving Valid ChargingCurrent()
and ChargingVoltage() Commands
VDD = 3V and VDD = 5.5V
140
175
210
sec
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: See Test Circuit.
Note 3: Does not include tolerance of current sense resistor.
Note 4: The LTC4100E is guaranteed to meet performance specifications
from 0°C to 70°C. Specifications over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 5: Current accuracy dependent upon circuit compensation and sense
resistor.
Note 6: CTH is defined as the sum of capacitance on THA, THB and
SafetySignal.
Note 7: The corresponding overrange bit will be set when a HEX value
greater than or equal to this value is used.


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