Skip to main content
Precision Digital Power Monitor with Margining

Package Information

Lead Count (#) 24
Pkg. Code LBD
Pitch (mm) 0.5
Pkg. Type QFN
Pkg. Dimensions (mm) 3.99 x 3.99 x 0.90

Environmental & Export Classifications

Moisture Sensitivity Level (MSL) 3
Pb (Lead) Free Yes
ECCN (US) EAR99
HTS (US) 8542390001
RoHS (ISL28023FR12Z-T) Download

Product Attributes

Lead Count (#) 24
Carrier Type Reel
Moisture Sensitivity Level (MSL) 3
Common Mode Input Range (V) 0 - 12
Pb (Lead) Free Yes
Pb Free Category Pb-Free 100% Matte Tin Plate w/Anneal-e3
Temp. Range -40 to +125°C
Country of Assembly Malaysia
Country of Wafer Fabrication Taiwan
CMRR (dB) 136
Gain Error / Measurement Error (Max) 0.25
IS per Amp (mA) 1.24
Length (mm) 4
MOQ 6000
Offset Voltage (Max) (mV) 0.05
Output I2C
PSRR (db) 127
Pitch (mm) 0.5
Pkg. Dimensions (mm) 4.0 x 4.0 x 0.90
Pkg. Type QFN
Qualification Level Standard
Thickness (mm) 0.9
VS (Max) (V) 5.5 V
VS (Min) (V) 3.0 V
Width (mm) 4

Description

The ISL28023 is a bidirectional high-side and low-side digital current sense and voltage monitor with a serial interface. The device monitors power supply current, voltage and provides the digital results along with calculated power. The ISL28023 provides tight accuracy of 0.05% for both voltage and current monitoring. The auxiliary input provides an additional power monitor function.

The VCC power can either be externally supplied or internally regulated, which allows the ISL28023 to handle a common-mode input voltage range from 0V to 60V. The wide range permits the device to handle telecom, automotive and industrial applications with minimal external circuitry.

An 8-bit voltage DAC enables a DC/DC converter output voltage margining. Fault indication includes a Bus Voltage window and overcurrent fast fault logic indication.

The ISL28023 serial interface is PMBus compatible and operates down to 1.2V voltage. It draws an average current of just 800µA and is available in the space saving 24 Ld QFN 4mmx4mm package. The part operates across the full industrial temperature range from -40°C to +125°C.