Discharge control circuit of batteries

  • US 6,346,795 B2
  • Filed: 01/26/2001
  • Issued: 02/12/2002
  • Est. Priority Date: 02/29/2000
  • Status: Expired due to Term
First Claim
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1. A discharge control circuit for controlling discharge of a battery including at least one cell comprising:

  • a discharge control switch connected to the battery for cutting off a discharge current of the battery in response to a discharge stop signal; and

    a control circuit connected to the battery and the discharge control switch for generating -the discharge stop signal that deactivates the discharge control switch when a voltage of at least one cell reaches a lower limit, wherein the control circuit includes a switch holding circuit for continuously supplying the discharge stop signal to the discharge control switch for a predetermined time after the discharge stop signal is generated.

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