MAX17435 查看數據表（PDF） - Maxim Integrated

零件编号

产品描述 (功能)

生产厂家

MAX17435

High-Frequency, Low-Cost SMBus Chargers

Maxim Integrated 

High-Frequency,

Low-Cost SMBus Chargers

IINP

LDO

BST

DHI

LX

DLO PGND (PAD)

CSSP

CSSN

DCIN

VAA

GND

DCIN

5.4V

REGULATOR

CSIN

CURRENT-

A = 20V/V SENSE

AMPLIFIER

GMS

IN_SET

4.096V

REFERENCE

MAX17435

MAX17535

BATTERY

CHARGE

VOLTAGE()

400mV

ADAPTER

PRESENT

HIGH-SIDE

DRIVER

BATTERY

OVP

DC-DC

CONVERTER

AC_EN

LDO

LOW-SIDE

DRIVER

ZCMP

CSIP

CURRENT-

SENSE

AMPLIFIER

CSIN

BDIV

BATT

gMI

CSI

gMV

IMAX

8.064A

LVC AND CAP

SWITCH LOGIC

CCMP

500mA

IMIN

750mA

CHG_EN

SCL

SDA

SMBus LOGIC

CC

1.485V

ACIN

IINP

AC_EN

ACOK ITHR

PDSL LOGIC

PDSL

EN

ADAPTLIM

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.

______________________________________________________________________________________   15

Share Link: