LM3822MM-1.0/NOPB National Semiconductor, LM3822MM-1.0/NOPB Datasheet - Page 2

• Manufacturer Part Number: LM3822MM-1.0/NOPB
• Description: IC CURRENT GAUGE PREC 8-MSOP
• Manufacturer: National Semiconductor
• Type: Battery Chargerr

Specifications of LM3822MM-1.0/NOPB

• Function: Current Gauge
• Sensing Method: High-Side
• Accuracy: ±2%
• Voltage - Input: 2 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
• Operating Supply Voltage (min): 2V
• Operating Supply Voltage (max): 5.25V
• Operating Temp Range: -40C to 85C
• Package Type: MSOP
• Mounting: Surface Mount
• Pin Count: 8
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Lead Free Status / Rohs Status: Compliant
• Other names: LM3822MM-1.0; LM3822MM-1.0TR

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Ordering Information
Pin Description (High-Side, LM3822)
Pin
* Current is sampled over a fixed interval. The average current during this interval is indicated by the duty cycle of the PWM output during next interval.
1
2
3
4
5
6
7
8
LM3822MM-1.0
LM3822MMX-1.0
LM3822MM-2.0
LM3822MMX-2.0
Order No.
SENSE+, V
GND
FLTR+
FLTR−
SD
TEST
PWM
SENSE−
*
Name
DD
Sense
Range
±
±
±
±
1.0A
1.0A
2.0A
2.0A
Sampling
Interval*
High side of internal current sense, also supply voltage.
Supply Ground.
Filter input — provides anti-aliasing for delta sigma modulator.
Filter input.
Shutdown input. Connected to V
When low, the LM3822 is put into a low current mode.
Connect to GND for normal operation.
Digital output indicates the current magnitude and direction.
Low side of internal current sense.
50 ms
50 ms
50 ms
50 ms
High-side
High-side
High-side
High-side
Sensing
Method
2
Package
MUA08A
MUA08A
MUA08A
MUA08A
Number
NS
DD
through a pull-up resistor for normal operation.
Function
Package
MSOP-8
MSOP-8
MSOP-8
MSOP-8
Type
Tape and Reel
(1000 units/reel)
Tape and Reel
(3500 units/reel)
Tape and Reel
(1000 units/reel)
Tape and Reel
(3500 units/reel)
Supplied As: