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参数资料
| 型号： | MAX17435ETG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/28页 |
| 文件大小： | 0K |
| 描述： | IC SMBUS BATT CHARGER 24TQFN |
| 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： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 包装： | 带卷 (TR) |
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High-Frequency,
Low-Cost SMBus Chargers
ABSOLUTE MAXIMUM RATINGS
DCIN, CSSP, BATT, CSIP to GND ......................... -0.3V to +28V
CSIP to CSIN, CSSP to CSSN .............................. -0.3V to +0.3V
V CC , SCL, SDA, V AA , EN, ACIN, ITHR,
ADAPTLIM, ACOK to GND .................................. -0.3V to +6V
PDSL to GND......................................................... -0.3V to +37V
GND to PGND ...................................................... -0.3V to +0.3V
DHI to LX. .................................................-0.3V to (V BST + 0.3V)
BST to LX ................................................................. -0.3V to +6V
BST to GND ........................................................... -0.3V to +34V
CC, IINP to GND...................................... -0.3V to (V LDO + 0.3V)
LDO Short Circuit to GND ......................................... Momentary
Continuous Power Dissipation (T A = +70 N C)
24-Pin TQFN (derate 20.8mW/ N C above +70 N C) .......1666mW
Operating Temperature Range .......................... -40 N C to +85 N C
Junction Temperature .....................................................+150 N C
Storage Temperature Range ............................ -65 N C to +150 N C
Lead Temperature (soldering, 10s).................................+300 N C
Soldering Temperature....................................................+260 N C
DLO to PGND .......................................... -0.3V to (V LDO + 0.3V)
LX to GND ................................................................ -6V to +28V
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, no load on LDO, V DCIN = V CSSP = V CSSN = 19V, V LX = 0V, V BST - V LX = 5V, V BATT = V CSIP = V CSIN = 16.8V,
T A = 0 ° C to +85 ° C , unless otherwis e noted. Typical values are at T A = +25 ° C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT SUPPLIES
Charging enabled,
Adapter Present Quiescent
Current (Note 1)
I DCIN + I CSSP +
I CSSN
V ADAPTER = 19V,
V BATTERY = 16.8V
Charging disabled
3
1.5
6
2.2
mA
mA
V BATT = 16.8V
BATT + CSIP + CSIN +
LX Input Current
Adapter absent or charger
shut down (Note 1)
V BATT = 2V to 19V , adapter present (Note 1)
200
2.0
650
F A
DCIN Input Current
V CC Supply Current
DCIN Input Voltage Range
for Charger
I DCIN
I CC
Charger disabled
Charger added
8
0.7
1.5
1.0
2.5
26
mA
mA
V
DCIN Undervoltage-Lockout
Trip Point for Charger
DCIN Input Voltage Range
V DCIN falling
V DCIN rising
7
8
7.2
7.7
7.9
26
V
V
CHARGE-VOLTAGE REGULATION
ChargingVoltage() = 0x41A0
16.733
-0.4
16.8
16.867
+0.4
V
%
Battery Full-Charge Voltage
and Accuracy
ChargingVoltage() = 0x3130
ChargingVoltage() = 0x20D0
12.516
-0.6
8.333
-0.8
12.592
8.4
12.668
+0.6
8.467
+0.8
V
%
V
%
Battery Undervoltage-Lockout
Trip Point for Trickle Charge
ChargingVoltage() = 0x1060
4.15
-1.0
3
4.192
3.5
4.234
+1.0
4
V
%
V
2
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