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LM3824MM-1.0

Features: No external sense element required PWM output indicates the current magnitude and direction PWM output is easily interfaced with microprocessors and controllersPrecision DS current-sense techniqueLow temperature sensitivityInternal filtering rejects false trips Internal Power-On-Reset (...

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SeekIC No. : 004395463 Detail

LM3824MM-1.0: Features: No external sense element required PWM output indicates the current magnitude and direction PWM output is easily interfaced with microprocessors and controllersPrecision DS current-sense ...

LM3824MM-1.0 Data Sheet

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Part Number:
LM3824MM-1.0
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

No external sense element required
PWM output indicates the current magnitude and direction
PWM output is easily interfaced with microprocessors and controllers
 Precision DS current-sense technique
Low temperature sensitivity
Internal filtering rejects false trips
Internal Power-On-Reset (POR)
DC Offset is less than 8 mA for 1A part


Application

Battery charge/discharge gauge
Motion control diagnostics
Power supply load monitoring and management
 Resettable smart fuse


Pinout

Connection Diagram


Specifications

Absolute Maximum Supply Voltage
Power Dissipation
ESD Susceptibility (Note 3)
Sense Current (peak, for 200 msec) (Note 4)
Sink Current for PWM pin
Maximum Junction Temperature
Storage Temperature
Lead Temperature (Soldering, 10 sec)		 5.5V
Note 2)
1.5 kV
10A
1mA
150°C
−65°C to +150°C
260°C



Description

The LM3824MM-1.0 Current Gauge provides easy to use precision current measurement with virtually zero insertion loss (typically 0.003W). The LM3824 is used for high-side sensing. A Delta Sigma analog to digital converter is incorporated to precisely measure the current and to provide a current averaging function. Current is averaged over 6 msec time periods in order to provide immunity to current spikes. The ICs have a pulse-width modulated (PWM) output which indicates the current magnitude and direction. The shutdown pin can be used to inhibit false triggering during start-up, or to enter a low quiescent current mode.

The LM3824MM-1.04 is factory-set in two different current options. The sense range is −1.0A to +1.0A or −2.0A to +2.0A. The sampling interval for this part is 6ms. If a more precise measurement is required, please refer to LM3822 datasheet.




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