MAX17823H datasheet(13/129 Pages) MAXIM

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(VDCIN = +48V, TA = TMIN to TMAX, unless otherwise noted, where TMIN = -40°C and TMAX = +105°C. Typical values are at

TA = +25°C. Operation is with the recommended application circuit.) (Note 5)

Electrical Characteristics (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Incremental HV Current,

Cell-Balancing Mode

IHVBAL

VHV = VDCIN + 5.5V, n balancing

switches enabled

(n+1)

x 5

(n+1)

x 15.5

(n+1)

x 26

µA

CELL VOLTAGE INPUTS (Cn, VBLKP)

Differential Input Range

(Note 11)

VCELLn

Unipolar mode

0.2

4.8

Bipolar mode

-2.3

+2.3

Common-Mode Input Range

VCnCM

Not connected to SWn inputs

Input Leakage Current

ILKG_Cn

Not in acquisition mode,

VCn = 65V

-200

±10

+200

VBLKP Input Resistance

RVBLKP

VBLKP = VDCIN = 57.6V

4.5

MΩ

HVMUX Switch Resistance

RHVMUX

CTSTDAC[3:0] = Fh

1.7

3.3

kΩ

CELL-BALANCING INPUTS (SWn)

Leakage Current

ILKG_SW

VSW0 = 0V, VSWn = 5V,

VSWn-1 = 0V

-1

µA

Resistance, SWn to SWn-1

RSW

BALSWEN[n-1] = 1, ISWn = 100mA

0.2

0.35

0.6

Maximum Allowed Balancing

Current (Note 15)

IBAL_MAX

TJ = 105°C, 25% average duty

cycle per switch

650

AUXILIARY INPUTS (AUXIN1, AUXIN2)

Input Voltage Range

VAUXIN

VTHRM

Input Leakage Current

ILKG_AUX

Not in acquisition mode,

VAUXINn = 1.65V

-400

+400

THRM OUTPUT

Switch Resistance,

VAA to THRM

RTHRM

Leakage Current

ILKG_THRM

VTHRM = 3.3V

-1

µA

MEASUREMENT ACCURACY

Total Measurement Error,

HVMUX Inputs

(Note 12)

VCELLnERR

Unipolar mode, VCELLn = 3.6V

±2

Bipolar mode, VCELLn = 1.1V

Unipolar mode

0.2V ≤ VCELLn ≤ 4.3V,

0°C ≤ TA ≤ 45°C

-5

±3.6

Unipolar mode,

0.2V ≤ VCELLn ≤ 4.8V

-10

+10

Bipolar mode,

-2.3V ≤ VCELLn ≤ 2.3V,

SWn inputs not connected

MAX17823H

12-Channel, High-Voltage

Data-Acquisition Systems

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