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参数资料
| 型号： | MAX17535ETG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 12/28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： | 锂离子（锂离子），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
Pin Description
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
NAME
SCL
SDA
DCIN
LDO
DLO
ADAPTLIM
BST
LX
DHI
ACOK
CSIN
CSIP
BATT
PDSL
CSSN
FUNCTION
SMBus Clock Input. Connect to an external pullup resistor according to SMBus specifications.
SMBus Data I/O. Open-drain output. Connect to an external pullup resistor according to SMBus
specifications.
Charger Supply Input. Connect to adapter supply. For minimum input bias current connect to the
center of the input/soft-start FETs. Bypass with a 1 F F ceramic capacitor to PGND placed close to
the pin. Add a 10ω resistor to reduce input surge at adapter insertion.
Linear Regulator Output. This is a 30mA LDO that powers the DLO driver, the BST circuit, and the
internal SMBus circuitry. Bypass with a 1 F F ceramic capacitor to PGND placed close to the pin.
LDO is active when the Adapter Present = 1, independent of the state of EN. LDO is also active
when DCIN is supply by the battery while Adapter Present = 0 and EN is high. The SMBus registers
are reset by the rising LDO UVLO.
Low-Side Power-MOSFET Driver Output. Connect to low-side n-channel MOSFET gate.
Adaptive System Current-Limit Comparator Output. This open-drain output is high impedance when
the voltage at the IINP pin is lower than the ITHR threshold. For a typical application, use a 10k I
pullup resistor to LDO (pin 4).
High-Side Driver Supply. Connect a 0.1 F F capacitor from BST to LX.
High-Side Driver Source Connection
High-Side Power MOSFET Driver Output. Connect to high-side n-channel MOSFET gate.
AC Detect Output. This open-drain output is high impedance when ACIN is lower than 1.485V.
The ACOK output remains high when the MAX17435/MAX17535 are powered down. For a typical
application, use a 10k I pullup resistor to LDO (pin 4).
Output Current-Sense Negative Input. Connect this pin to the negative terminal of the sense resistor.
See the Setting Charge Current section for resistor value and scaling.
Output Current-Sense Positive Input. Connect a current-sense resistor from CSIP to CSIN; the
voltage across these two pins is interpreted by the MAX17435/MAX17535 as proportional to the
charge current delivered to the battery with approximately 110mV full-scale voltage. See the Setting
Charge Current section for resistor value and scaling.
Battery Voltage Feedback Input. Connect as close as possible to the battery terminal.
Power-Source n-Channel MOSFET Switch Driver Output. When the adapter is not present or an
overvoltage event is detected at the input, the PDSL output is pulled to GND with a 2.5k I (typ)
resistor. Otherwise, it is typically 8V above the adapter voltage when the part is not using the
battery. This is powered by an internal charge pump.
Input Current-Sense Negative Input. See the description of the CSSP pin for resistor value and
scaling.
12
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相关代理商/技术参数 |
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|---|---|
| MAX17535EVKIT+ | 功能描述:电池管理 EVKIT RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
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