BATTERY CHARGING CONTROL CIRCUIT
First Claim
1. A battery charging control circuit, comprising:
- a constant-current charging unit configured for charging the rechargeable battery with a relatively large current in a constant-current mode;
a branch switch connected between the constant-current charging unit and the rechargeable battery, and configured for enabling or disabling the constant-current charging unit;
a detection switch configured for turning on or off depending on the enable or disable state of the constant-current charging unit; and
a control unit connected with the detection switch and the branch switch, and configured for controlling the branch switch to turn on or off depending on the off or on state of the detection switch.
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Accused Products
Abstract
The present invention provides a charging control circuit for a rechargeable battery. The charging control circuit includes: a constant-current charging unit and a trickle charging unit. The charging control circuit further includes a branch switch, a detection switch, a control unit, and a detection unit. The branch switch is connected between a power source and the rechargeable battery for enabling or disabling the constant-current charging unit, the detection switch is turned on or off depending on the enable or disable state of the constant-current charging unit. The control unit is connected between the detection switch and the branch switch for controlling the branch switch to turn on or off depending on the off or on state of the detection switch.
10 Citations
12 Claims
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1. A battery charging control circuit, comprising:
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a constant-current charging unit configured for charging the rechargeable battery with a relatively large current in a constant-current mode; a branch switch connected between the constant-current charging unit and the rechargeable battery, and configured for enabling or disabling the constant-current charging unit; a detection switch configured for turning on or off depending on the enable or disable state of the constant-current charging unit; and a control unit connected with the detection switch and the branch switch, and configured for controlling the branch switch to turn on or off depending on the off or on state of the detection switch. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification