CURRENT SENSE CIRCUIT AND BATTERY OVER-CURRENT PROTECTION CONTROLLER
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United States of America Patent
Stats
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N/A
Issued Date -
May 3, 2012
app pub date -
Jul 14, 2011
filing date -
Oct 29, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A battery over-current protection controller includes a current sense circuit, a first pin coupled to one end of the current detection circuit, a second pin, and a third pin. The second pin and the third pin are respectively coupled to a positive end and a negative end of a battery module. The current sense circuit includes a reference voltage generation unit, a voltage dividing unit, and a comparison unit. The reference voltage generation unit is coupled between the second pin and the third pin to generate a reference voltage. The voltage dividing unit has one end coupled to the reference voltage to thereby generate a voltage dividing signal. The comparison unit receives the voltage dividing signal and a current detection signal indicative of a value of a current flowing through the current detection circuit to thereby generate an over-current protection signal when the current is greater than the predetermined current.
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Patent Citation Ranking
- 3 Citation Count
- H02H Class
- 4.17 % this patent is cited more than
- 13 Age