MIC2755YMM Micrel Inc, MIC2755YMM Datasheet
MIC2755YMM
Specifications of MIC2755YMM
MIC2755YMM
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MIC2755YMM Summary of contents
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MIC2755 General Description The MIC2755 is composed of multiple comparators, a reset pulse generator, and logic designed for monitoring the battery supply of portable digital systems, including PDAs and pagers. The MIC2755 detects three different battery states: battery ...
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... MIC2755 Pin Configuration Part Number Junction Temp. Range Standard Pb-Free MIC2755BMM MIC2755YMM Pin Configuration Pin Description Pin Number Pin Name 1 RTH(/MR) 2 NTH 3 PTH 4 GND 5 /POF 6 /NMI 7 /RST 8 VDD MIC2755 Package –40ºC to +185ºC 8-Pin MSOP RTH(/MR) ...
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MIC2755 Absolute Maximum Ratings Supply Voltage (V ) .......................................–0.3V to +7V DD Input Voltage ( RTH NTH PTH Output Voltage ( /RST /NMI /POF /RST Output Current (I ) ........................................ 20mA /RST ...
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MIC2755 Timing Diagram Block Diagram NTH PTH RTH(/MR) 1.24V Ref1 GND MIC2755 Propagation delays not shown for clarity. The MIC2755 ignores very brief transients. See “Application Information” for details. VDD 20mV Hysteresis 1.24V Ref2 310mV 4 Micrel, Inc. /NMI /RST ...
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MIC2755 Functional Description Typically the MIC2755 is used to monitor the battery supply of intelligent circuits such as microcontrollers and micropro- cessors. By connecting the reset output of a MIC2755 to the reset input of a µC or µP, the ...
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MIC2755 Applications Information Outputs Since the MIC2755 outputs are open-drain MOSFETs, most applications will require pull-up resistors. The value of the resistors should not be too large or leakage effects may dominate. Programming Thresholds There are separate resistive-divider configurations for ...
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MIC2755 R10 = 400k 1MΩ = R10+R11 2.9V = 1.24V BAT(dead) 400k R9 = 27k R8 = 1MΩ – R9 – R10 = 573k The accuracy of the resistors can be chosen based ...
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MIC2755 MIC2755 8 Micrel, Inc. January 2006 ...
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MIC2755 January 2006 9 Micrel, Inc. MIC2755 ...
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... TYP MICREL INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL This information furnished by Micrel in this data sheet is believed to be accurate and reliable. However no responsibility is assumed by Micrel for its use. Micrel reserves the right to change circuitry and specifications at any time without notification to the customer. ...