参数资料
型号: MAX8731AETI+T
厂商: Maxim Integrated Products
文件页数: 8/32页
文件大小: 0K
描述: IC SMBUS LVL2 BATT CHRGR 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
功能: 充电管理
电池化学: 多化学
电源电压: 8 V ~ 26 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 带卷 (TR)
SMBus Level 2 Battery Charger
with Remote Sense
ELECTRICAL CHARACTERISTICS (continued)
(V DCIN = V LX = V CSSP = V CSSN = 19V, V BST - V LX = 4.5V, V FBSA = V FBSB = V CSIP = V CSIN = 16.8V, BATSEL = GND = PGND = 0,
C LDO = 1μF, V CC = LDO, C REF = 1μF, C DAC = 0.1μF , V DD = 3.3V, ACIN = 2.5V; pins CCI, CCV, and CCS are compensated per
Figure 1; T A = -40°C to +85°C , unless otherwise noted.) (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ACIN
ACIN Threshold
ACIN Threshold Hysteresis
2.007
10
2.089
30
V
mV
REMOTE-SENSE INPUTS
FBS_ Range
FBS_ Gain
V CSIN - V FBS
Δ V CSIN / Δ (V CSIN - V FBS_ )
0
0.9
200
1.1
mV
V/V
CSIN-FBS_ Clamp Voltage
FBS_ Bias Current
Charger switching, FBS_ selected
220
280
14
mV
μA
SWITCHING REGULATOR
Off-Time
BST Supply Current
DHI On-Resistance Low
DHI On-Resistance High
DLO On-Resistance High
DLO On-Resistance Low
V CSIN = 16.0V, V CSSP = 19V
V CSIN = 16.0V, V CSSP = 17V
DHI high
I DHI = -10mA
I DHI = 10mA
I DLO = 10mA
I DLO = -10mA
360
260
440
350
800
3
5
5
3
ns
μA
Ω
Ω
Ω
Ω
ERROR AMPLIFIERS
GMV Amplifier Transconductance ChargingVoltage() = 16.8V, V FBS_ = 16.8V
0.0625
0.2500
mA/V
GMI Amplifier Transconductance
ChargingCurrent() = 3968mA, V CSIP - V CSIN = 39.68mV
0.5
2.0
mA/V
GMS Amplifier Transconductance InputCurrent() = 3968mA, V CSSP - V CSSN = 79.36mV
0.5
2.0
mA/V
CCI/CCS/CCV Clamp Voltage
0.25V < V CCI/S/V < 2.0V
150
600
mV
LOGIC LEVELS
SDA/SCL Input Low Voltage
SDA/SCL Input High Voltage
BATSEL Input Low Voltage
BATSEL Input High Voltage
SDA, Output Sink Current
V DD = 2.7V to 5.5V
V DD = 2.7V to 5.5V
V (SDA) = 0.4V
2.3
2.3
6
0.8
0.8
V
V
V
V
mA
8
_______________________________________________________________________________________
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