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参数资料
| 型号： | MAX1737EEI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/18页 |
| 文件大小： | 0K |
| 描述： | IC CNTRLR BAT CHARGE 28-QSOP |
| 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： | 锂离子（Li-Ion） |
| 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： | 28-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 28-QSOP |
| 包装： | 带卷 (TR) |
MAX1737
Stand-Alone Switch-Mode
Lithium-Ion Battery-Charger Controller
ABSOLUTE MAXIMUM RATINGS
CSSP, CSSN, DCIN to GND ...................................-0.3V to +30V
BST, DHI to GND....................................................-0.3V to +36V
BST to LX..................................................................-0.3V to +6V
DHI to LX ..........................................-0.3V to ((BST - LX) + 0.3V)
LX to GND ...............................................-0.3V to (CSSN + 0.3V)
FULLCHG, FASTCHG , FAULT to GND ..................-0.3V to +30V
VL, VLO, SHDN , CELL, TIMER1, TIMER2, CCI,
CCS, CCV, REF, ISETIN, ISETOUT, VADJ,
THM to GND ........................................................-0.3V to +6V
DLO to GND...............................................-0.3V to (VLO + 0.3V)
BATT, CS to GND ...................................................-0.3V to +20V
PGND to GND, CSSP to CSSN..............................-0.3V to +0.3V
VL to VLO ..............................................................-0.3V to +0.3V
VL Source Current...............................................................50mA
Continuous Power Dissipation (T A = +70°C)
28-Pin QSOP (derate 10.8mW/°C above +70°C)........860mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
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, V DCIN = V CSSN = V CSSP = +18V, SHDN = VL, CELL = GND, V BATT = V CS = +4.2V, V VADJ = V REF / 2, ISETIN =
ISETOUT = REF, R THM = 10k Ω , T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY AND REFERENCE
DCIN Input Voltage Range
6
28
V
DCIN Quiescent Supply Current
DCIN to BATT Undervoltage Threshold,
DCIN Falling
DCIN to BATT Undervoltage Threshold,
DCIN Rising
6.0V < V DCIN < 28V
0.05
0.19
5
7
0.155
0.40
mA
V
V
VL Output Voltage
6.0V < V DCIN < 28V
5.10
5.40
5.70
V
VL Output Load Regulation
REF Output Voltage
REF Line Regulation
REF Load Regulation
I VL = 0 to 15mA
6V < V DCIN < 28V
I REF = 0 to 1mA
4.179
44
4.20
2
6
65
4.221
6
14
mV
V
mV
mV
SWITCHING REGULATOR
PWM Oscillator Frequency
LX Maximum Duty Cycle
CSSN + CSSP Off-State Leakage
V BATT = 15V, CELL = VL
In dropout f OSC / 4, V CCV = 2.4V,
V BATT = 15V, CELL = VL
V CSSN = V CSSP = V DCIN = 28V, SHDN = GND
270
97
300
98
2
330
10
kHz
%
μA
DHI, DLO On-Resistance
7
Ω
LX Leakage
BATT, CS Input Current
BATT, CS Input Voltage Range
LX = V DCIN = 28V, SHDN = GND
SHDN = GND, V BATT = 19V
CELL = SHDN = VL, V BATT = 17V
0
0.1
0.1
225
10
5
500
19
μA
μA
V
Battery Regulation Voltage (V BATTR )
Absolute Voltage Accuracy
CELL = float, GND, VL, or REF (Note 1)
Not including VADJ resistor tolerances
With 1% VADJ resistors
4.167
-0.8
-1
4.2
4.233
+0.8
+1
V/cell
%
Battery Regulation Voltage Adjustment
Range
V CCV = 2V
V VADJ = GND
V VADJ = REF
3.948
4.386
3.979
4.421
4.010
4.453
V/cell
2
Maxim Integrated
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