UCC2926 Selling Leads, Price trend, UCC2926 DataSheet download, circuit diagram from SeekIC.com

Features: • Integral Non-inductive Current Sense Element with Internal Kelvin Connections• 20A Current Rating• Bi-directional, High Side or Low Side Sensing• Internal Temperature Nulling Circuitry for Current Sense Element and Amplifier• Logic Compatible Current Direc...

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SeekIC No. : 004535937 Detail

UCC2926: Features: • Integral Non-inductive Current Sense Element with Internal Kelvin Connections• 20A Current Rating• Bi-directional, High Side or Low Side Sensing• Internal Tempera...

UCC2926 Data Sheet

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Part Number:: UCC2926
Supply Ability:: 5000

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Product Details

Description

Features:

• Integral Non-inductive Current Sense
Element with Internal Kelvin Connections
• 20A Current Rating
• Bi-directional, High Side or Low Side Sensing
• Internal Temperature Nulling Circuitry
for Current Sense Element and Amplifier
• Logic Compatible Current Direction Status Output
• Low Offset, Chopper Stabilized
Current Sense Amplifier
• Uncommitted Amplifier with User
Programmable Gain
• Overcurrent Indication with User
Programmable Threshold

Pinout

Connection Diagram

Specifications

Input Sense Current (IIN) . . . . . . . . . . . . . . . . . . . . . . . .± 20A
Supply Voltage, VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.5V
Inrush Current, 50s . . . . . . . . . . . . . . . . . . . . . . . . . . . ±100A
Input Voltage Range (CSP, CSN) . . . . . . . . . . . 0.2V to 14.5V
CSP, CSN, Common Mode Range
(referenced to GND) . . . . . . . . . . . . . . . . . . . . . . . . . ± 200mV
CSP, CSN, Common Mode Range
(referenced to VDD) . . . . . . . . . . . . . . . . . . . . . . . . . . ± 200mV
Shunt Resistance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.25m
Storage Temperature . . . . . . . . . . . . . . . . . . . . 65°C to 150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . 55°C to 150°C
Lead Temperature (Soldering, 10sec.) . . . . . . . . . . . . . . 300°C
Currents are positive into, negative out of the specified terminal.
Consult Packaging Section of Databook for thermal limitations
and considerations of packages.

Description

The UCC3926 Current Sensor IC contains a wideband, transimpedance amplifier for converting the current through an internal, non-inductive 1.3m shunt resistor into a proportional voltage. The sense element operates in both high-side (VDD referenced) and low-side (GND referenced) applications.

The UCC3926 can measure currents up to ±20A. This transimpedance amplifier gain is precisely trimmed to 33.3m to convert a 15A input into a 500mV output signal. It has a very low input offset voltage from chopper- stabilization. A cross-switching block rectifies the input signal by forcing the differential output, AOP positive with respect to the other differential output, AON. SIGN indicates the polarity of the current.

The UCC3926 programmable amplifier provides three functions. It converts the differential transimpedance output signal into a single-ended signal. It has a user-controlled gain stage that sets the maximum current level to the desired voltage and it level shifts the zero current point to the desired level as well. A comparator then compares the output of the instrumentation amplifier to a user-set reference voltage on OCREF, which provides an overcurrent status bit OC.

The UCC3926 is available in the 16 pin SOIC package.

UCC2926

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