MAX17843 datasheet(15/131 Pages) MAXIM

15 / 131 page

(VDCIN = +48V, TA = TMIN to TMAX, unless otherwise noted, where TMIN = -40°C and TMAX =+125°C. Typical values are at TA = +25°C.

Operation is with the recommended application circuit.) (Note 5)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

POWER REQUIREMENTS

Supply Voltage

VDCIN

Supply Current

(Note 6)

IDCSHDN

VSHDNL= 0V

0.1

µA

IDCSTBY

VSHDNL > 1.8V, baud rate = 0

(100% idle), SCAN = 0, BALSWEN,

CTSTEN = 0000h

1.5

2.0

2.7

IDCCOMM

Baud rate = 2Mb/s (0% idle time

preambles mode), 200pF load on TXUP,

200pF on TXUN, TXL not active, SCAN

= 0, BALSWEN, CTSTEN = 0000h

2.0

IDCMEAS

MEASUREEN = 0FFFh,

acquisition mode

3.5

5.4

HV Measurement Current

IHVMEAS

MEASUREEN = 0FFFh, acquisition

mode, VHV = VDCIN + 5.5V

0.9

1.1

1.3

Incremental HV Current

for n Balancing Switches

Enabled

IHVBAL

VHV = VDCIN + 5.5V,

cell-balancing mode

(n+1) x

13.5

(n+1) x

µA

VOLTAGE INPUTS (Cn, for n = 1 to 12 and VBLKP)

Differential Input Range,

VCELLn = VCn - VCn-1

(Note 7)

VCELLn

Unipolar mode

0.2

4.8

Bipolar mode

-2.3

+2.3

Common-Mode Input Range

VCnCM

SWn inputs not connected

Input Leakage Current

ILKGCn_L

VHV = 71V, Cn = 0V

-200

-10

+200

Input Leakage Current

ILKGCn_H

C0 = 5V, C1 to C5 = 28V,

C6 to C12 = 65V; VHV = 71V

-200

±10

+200

VBLKP Input Resistance

(to AGND)

RVBLKP

VBLKP = VDCIN = 57.6V

4.5

MΩ

HVMUX Switch Resistance

RMUX

CTSTDAC[3:0] = Fh

1.7

2.5

kΩ

CELL-BALANCING INPUTS (SWn for n = 1 to 12)

Leakage Current

ILKG_SW

VDCIN = 60V, VSWn = 5 x N,

all SWn pins biased

-1

µA

Resistance, SWn to SWn-1

RSWn

BALSWENn = 1, ISWn = 100mA

0.5

AUXILIARY INPUTS (AUXIN1, AUXIN2)

Input Voltage Range

VAUXINn

VTHRM

Input Leakage Current

ILKG_AUX

ADC off; VAUXINn = 1.65V

-400

+400

THRM OUTPUT

Switch Resistance, THRM

to VAA

RTHRM

100

THRM Leakage

ITHRM

VTHRM = 1.65V

-1

µA

MAX17843

12-Channel, High-Voltage Smart Sensor

Data-Acquisition Interface

www.maximintegrated.com

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Electrical Characteristics

MAX17843 Datasheet(PDF) 15 Page - Maxim Integrated Products

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