参数资料
| 型号： | LTC4101EG#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/30页 |
| 文件大小： | 0K |
| 描述： | IC CNTRLR BATT CHRG 24-SSOP |
| 标准包装： | 59 |
| 功能： | 充电管理 |
| 电池化学： | 智能电池 |
| 电源电压： | 6 V ~ 28 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 24-SSOP |
| 包装： | 管件 |
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LTC4101
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V DCIN = 20V, V DD = 3.3V, V BAT = 4V unless otherwise noted. (Note 4)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Logic Levels
V IL
V IH
V OL
SCL/SDA Input Low Voltage
SCL/SDA Input High Voltage
SDA Output Low Voltage
V DD = 3V and V DD = 5.5V
V DD = 3V and V DD = 5.5V
I PULL-UP = 350μA
l
l
l
2.1
0.8
0.4
V
V
V
I IL
I IH
V OL
SCL/SDA Input Current
SCL/SDA Input Current
SMBALERT Output Low Voltage
V SDA , V SCL = V IL
V SDA , V SCL = V IH
I PULL-UP = 500μA
l
–1
–1
1
1
0.4
μA
μA
V
SMBALERT Output Pull-Up Current
V SMBALERT = V OL
–17.5
–10
–3.5
μA
I LEAK
V OL
V IL
V IH
SDA/SCL/ SMBALERT Power Down Leakage
CHGEN Output Low Voltage
CHGEN Output Pull-Up Current
CHGEN Input Low Voltage
CHGEN Input High Voltage
V SDA , V SCL , V SMBALERT = 5.5V, V DD = OV
I OL = 100μA
V CHGEN = V OL
V DD = 3V
l
l
l
l
–2
–17.5
2.5
–10
2
0.5
–3.5
0.9
μA
V
μA
V
V
V DD = 5.5V
3.9
V
Power-On Reset Duration
V DD Ramp from 0V to >3V in <5μs
100
μs
SMBus Timing (Refer to System Management Bus Speci?cation, Revision 1.1, Section 2.1 for Timing Diagrams)
t HIGH
SCL Serial Clock High Period
I PULL-UP = 350μA, C LOAD = 250pF, R PU = 9.31k,
l
4
μs
V DD = 3V and V DD = 5.5V
t LOW
SCL Serial Clock Low Period
I PULL-UP = 350μA, C LOAD = 250pF, R PU = 9.31k,
l
4.7
15000
μs
V DD = 3V and V DD = 5.5V
t R
SDA/SCL Rise Time
C LOAD = 250pF, R PU = 9.31k, V DD = 3V
l
1000
ns
and V DD = 5.5V
t F
SDA/SCL Fall Time
C LOAD = 250pF, R PU = 9.31k, V DD = 3V
l
300
ns
and V DD = 5.5V
t SU:STA
t HD:STA
t HD:DAT
Start Condition Setup Time
Start Condition Hold Time
SDA to SCL Falling-Edge Hold Time,
V DD = 3V and V DD = 5.5V
V DD = 3V and V DD = 5.5V
V DD = 3V and V DD = 5.5V
l
l
l
4.7
4
300
μs
μs
ns
Slave Clocking in Data
t TIMEOUT
Time Between Receiving Valid
V DD = 3V and V DD = 5.5V
l
140
175
210
sec
ChargingCurrent() and
ChargingVoltage() Commands
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 LTC4101E is guaranteed to meet performance speci?cations
from 0°C to 85°C. Speci?cations 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: C TH is de?ned 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.
4101fa
5
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