参数资料
型号: MAX8731AETI+T
厂商: Maxim Integrated Products
文件页数: 4/32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 = 0 ° C to +85 ° C , unless otherwise noted. Typical values are at T A = +25 ° C.)
PARAMETER
LDO Output Voltage
LDO Load Regulation
LDO Undervoltage-Lockout Threshold
CONDITIONS
8.0V < V DCIN < 28V, no load
0 < I LDO < 30mA
V DCIN = 8.0V, V LDO falling
MIN
5.25
3.20
TYP
5.4
34
4.00
MAX
5.55
100
5.15
UNITS
V
mV
V
V DD Range
V DD UVLO Rising
V DD UVLO Hysteresis
2.7
2.5
100
5.5
2.7
V
V
mV
V DD Quiescent Current
DCIN < 6V, V DD = 5.5V, SCL = SDA = 5.5V
16
27
μA
REFERENCE
REF Output Voltage
REF Undervoltage-Lockout Trip Point
0 < I REF < 500μA
REF falling
4.071
4.096
3.1
4.120
3.9
V
V
ACOK
ACOK Sink Current
ACOK Leakage Current
V ACOK = 0.4V, ACIN = 1.5V
V ACOK = 5.5V, ACIN = 2.5V
1
1
mA
μA
ACIN
ACIN Threshold
ACIN Threshold Hysteresis
ACIN Input Bias Current
2.007
10
-1
2.048
20
2.089
30
+1
V
mV
μA
REMOTE-SENSE INPUTS
FBS_ Range
V CSIN - V FBS
0
200
mV
FBS_ Gain
CSIN-FBS_ Clamp Voltage
FBS_ Bias Current
FBS_ Bias Current
Δ V CSIN / Δ (V CSIN - V FBS_ )
Charger switching, FBS_ selected
Charger not switching or FBS_ not selected
0.95
225
-2
1.00
250
1.05
275
14
+2
V/V
mV
μA
μA
SWITCHING REGULATOR
Off-Time
BST Supply Current
LX Input Bias Current
V CSIN = 16.0V, V CSSP = 19V
V CSIN = 16.0V, V CSSP = 17V
DHI high
V DCIN = 28V, V CSIN = V LX = 20V, DHI low
360
260
400
300
500
440
360
800
2
ns
μA
μA
Maximum Discontinuous-Mode Peak
Current (I MIN )
0.5
A
DHI On-Resistance Low
DHI On-Resistance High
DLO On-Resistance High
DLO On-Resistance Low
I DHI = -10mA
I DHI = 10mA
I DLO = 10mA
I DLO = -10mA
1
3
3
1
3
5
5
3
Ω
Ω
Ω
Ω
4
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