参数资料
型号: MAX17535ETG+
厂商: Maxim Integrated Products
文件页数: 15/28页
文件大小: 0K
描述: IC SMBUS BATT CHRGR HF 24TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 75
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: 管件
High-Frequency,
Low-Cost SMBus Chargers
IINP
LDO
BST
DHI
LX
DLO
PGND (PAD)
5.4V
REGULATOR
DCIN
ADAPTER
PRESENT
HIGH-SIDE
LDO
LOW-SIDE
CSSP
CSIN
DRIVER
DRIVER
A = 20V/V
CURRENT-
SENSE
AMPLIFIER
BATTERY
CSSN
DCIN
V AA
GND
4.096V
REFERENCE
IN_SET
GMS
MAX17435
MAX17535
CHARGE
VOLTAGE()
400mV
BATTERY
OVP
DC-DC
CONVERTER
AC_EN
ZCMP
EN
CSIP
CSIN
CURRENT-
SENSE
AMPLIFIER
g MI
CSI
8.064A
IMAX
CCMP
IMIN
500mA
750mA
BATT
BDIV
LVC AND CAP
g MV
SWITCH LOGIC
ADAPTLIM
CHG_EN
IINP
SCL
SDA
CC
SMBus LOGIC
1.485V
AC_EN
PDSL LOGIC
ACIN
ACOK
ITHR
PDSL
Figure 2. Block Diagram
The MAX17435/MAX17535 control input current (CCS
control loop), charge current (CCI control loop), or
charge voltage (CCV control loop), depending on the
operating condition. The three control loops, CCV, CCI,
and CCS, are brought together internally at the lowest
voltage clamp (LVC) amplifier. The output of the LVC
amplifier is the feedback control signal for the DC-DC
controller. The minimum voltage at the CCV, CCI, or
CCS appears at the output of the LVC amplifier and
clamps the other control loops to within 0.3V above the
control point. Clamping the other two control loops close
to the lowest control loop ensures fast transition with
minimal overshoot when switching between different
control loops (see the Compensation section). The
CCI loop is internally compensated and the CCV and
CCS loops share a common compensation network at
CC. The dominant control loop (CCV, CCS) drives the
compensation network.
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15
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