Battery Charger

Power special inverting power supply, inverter

Published:2011/7/12 5:14:00 Author:chopper | Keyword: Power, special, inverting power supply, inverter

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500MA current charge,USB compatible charging management integrated circuit--CN3068

Published:2011/7/12 5:13:00 Author:chopper | Keyword: 500MA current, USB compatible, charging management, integrated circuit

Overview :CN3068 is a charger circuit which can charge single rechargeable lithium battery in constant current/voltage mode.The device includes power transistor,and its application does not require the external current detective resistor and blocking diode.CN3069 only requires few external components,and works under USB bus technology specifications,thus it is ideal for portable applications.Heat modulation circuit can control the chip temperature within safety range if the power consumption of devices is bigger or the environmental temperature is higher.   (View)

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Solar energy mobile solution

Published:2011/7/12 5:13:00 Author:chopper | Keyword: Solar energy, mobile solution, 6V

Overview :CN3083 is a single lithium battery charge management chip which can be powered with solar panels.The device includes power transistor,and its application does not require an external current detective resistor and blocking diode.The internal 8-bit analog-digital conversion circuit can automatically adjust the charge current by the current output capability of input voltage supply.Users need not consider the worst case, and it can maximize the use of the current output capability of input voltage supply.And it is suitable for the lithium battery charger application powered by voltage supply whose current output capacity is limited such as solar panel.   (View)

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various battery charger chips powered by solar--CN3082

Published:2011/7/12 5:12:00 Author:chopper | Keyword: battery charger chips, powered, solar, satisfy, characteristics

Overview :CN3082 is a charger control circuit which can charge various batteries like single lithium batteries,single lithium iron phosphate or two to four NiMH rechargeable batteries.The device includes power transistor,and its application does not require the external current detective resistor and blocking diode.CN3082 only requires few external components, and works under USB bus technology specifications,thus it is ideal for portable applications.Heat modulation circuit can control the chip temperature within safety range if the power consumption of devices is bigger or the environmental temperature is higher.   (View)

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Automatically Charging Circuit of Battery

Published:2011/7/16 11:25:00 Author:Michel | Keyword: Battery Charging Circuit

The above picture is automatically charging circuit of battery.This circuit consists of constant current circuit and automatically cut-off the circuit etc.A1 makes both ends of RL keep the same,which ensures constant charging current IZ.VDZ1 provides 18 V benchmark voltage for the base of VDZ1,It produces constant voltage drop on R2, the voltage drop is added to phase input terminal of A1.After the comparison of A1 and RL voltage drop,IZ keeps constant value.When RL is in short-circuit, resistance R3 of the output end will cut off VT3 base current and charging current IZ will be cut off sequently to protect the circuit.Functions of VD4 and VD5 are that prevent batteries discharging via VT3 when the charger cuts off.   (View)

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high efficiency solar special charge management upgrating circuit-CN3083

Published:2011/7/6 7:07:00 Author:chopper | Keyword: high efficiency, solar, special charge management, upgrating circuit

　Overview :　　CN3083 is a single lithium battery charge management chip which can be powered with solar panels.The device includes power transistor,and its application does not require the external current detection resistor and blocking diode.Internal 8-bit analog - digital conversion circuit can automatically adjust the charge current by the current output capability of input voltage supply.Users do not need to consider the worst case.It can maximize the use of the current output capability of input voltage soupply which is ideal for lithium battery charge application powered by solar panels whose current output capacity is limited.   (View)

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low power quad voltage monitor integrated circuit--CN1185

Published:2011/7/6 6:55:00 Author:chopper | Keyword: low power, quad voltage monitor, integrated circuit

　Overview :　　CN1185 is a low power quad voltage monitor chip,its current consumption is only 7.3 microamps,so it is ideal for monitoring battery voltage.Chip contains four voltage comparators.And the positive input end of each comparator is connected to the voltage benchmark source in the inner chip,which can be used to monitor four different voltage source or voltage source for the same grade monitoring. Users can choose the flip threshold and comparator hysteresis of the comparators by logical input port.   (View)

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5W high-power LED driving circuit--CN5612

Published:2011/7/6 6:41:00 Author:chopper | Keyword: 5W, high-power, LED, driving circuit

overview: CN5612 is a current modulation circuit under 2.7V-6V voltage,and constant output current is up to 1.2A.It can be used to drive various LEDs including white LEDs.The current of the LED terminal of CN5612 is through an external resistor to set the current range of 30mA to 1.2A.In the inner integrated chip there are power transistors,thus greatly it reduces the number of external components.Other functions include chip over-temperature protection, LED short / open circuit protection. CN5612 adopts 5-pinned TO252 package with good cooling capacity.   (View)

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1W high power LED driving circuit--CN5611

Published:2011/7/8 3:03:00 Author:chopper | Keyword: 1W, high power, LED, driving circuit

Overview :　　CN5611 is a current modulation circuit under 2.7V to 6V,its constant output current is up to 800mA, and it can be used to drive various LEDs including white LEDs.Current on the LED end of CN5611 is through an external resistor to set the current range of 30mA to 800mA. Integrated chip contains power transistors,which greatly reduces the number of external components.Other functions include chip over-temperature protection, LED short/open circuit protection. CN5611 adopts 5 pinned SOT89 package whose cooling capacity is good.   (View)

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high efficiency 1000MA current charger management circuit--CN3056

Published:2011/7/8 6:06:00 Author:chopper | Keyword: high efficiency, 1000MA current, charger management

Overview :CN3056 is a charger circuit which can charge rechargeable batteries like single quarter lithium ion or lithium-polymer in constant current/voltage mode.The device includes power transistor,and its application does not require the external current detective resistor and blocking diode.CN3056 only requires few external components, and works under USBbus technologyspecifications,thus it is ideal for portable applications.Heat modulation circuit can control the chip temperature within safety range if the power consumption of devices is bigger or the environmental temperature is higher.   (View)

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Solar special USB compatible charging management circuit of high efficiency--CN3063

Published:2011/7/8 3:25:00 Author:chopper | Keyword: Solar, special, USB compatible, charging management, high efficiency

Overview :CN3063 is a single lithium battery charge management chip which can be powered with solar panels.The device includes power transistor,and its application does not require the external current detective resistor and blocking diode.The internal 8-bit analog-digital conversion circuit can automatically adjust the charge current by the current output capability of input voltage supply.Users need not consider the worst case, and it can maximize the use of the current output capability of input voltage supply.   (View)

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Three-phase-bridge Rectifier Circuit of Resistance Load

Published:2011/6/19 7:59:00 Author:Michel | Keyword: Resistance Load, Three-phase-bridge Rectifier Circuit

Single-phase rectifier circuit's power usually is less than one kw and high power rectifier circuit need three-phase rectifier circuit, because the high power rectifier circuit is three-phase ac power supply form. The picture is a resistance loading three-phase bridge rectifier circuit.It has six pieces of diodes,D1,D3 and D5 form cathode and are standed by P.D2,D4 and D6 form anode and M stands for them.And N stands for zero line.   (View)

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MIC5158 battery charger circuit

Published:2011/6/23 10:10:00 Author:chopper | Keyword: battery charger circuit

The constant-current charge circuit of MIC5158 is shown as the following picture.This circuit offers a constant current during the charging process(35mV/R3) until the voltage Uf1 is equal to 1.235(1+R1/R2).As for the formula,Uf1 is floating charge voltage(V).MOSFET tube will be cut off when the circuit reaches the floating charge voltage.Charge current is offered by R4.   (View)

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CD4541 nickel-cadmium battery automatic charger circuit

Published:2011/6/20 6:36:00 Author:chopper | Keyword: nickel-cadmium battery, automatic charger circuit

This circuit is designed for number 5,number 7 nickel-cadmium battery especially,and it has features of automatic charging and constant-current charging.The circuit is shown as follows.The circuit will begin to run as soon as the power supply is connected.The inner counter is responsible for counting the oscillator to a full count,and at this moment,the output level of foot ⑧ of IC1 will return to stop counting.For instance,foot ⑩ is connected with high level,and the food ⑧ will return when the counter is full,then it will count again,and return when it is full,and so on and so on.   (View)

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cellphone lithium ion battery charger circuit of LM317

Published:2011/6/20 6:37:00 Author:chopper | Keyword: cellphone, lithium ion battery, charger circuit

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Intelligent charging system schematic block circuit

Published:2011/7/2 3:09:00 Author:John | Keyword: charging system, schematic block

The chip is the three-terminal isolated PWM monolithic switching power supply integrated circuit, which is produced by the United States Powergration. It integrates the PWM IC and FET in the same chip, thus occupying all the require functionality of the PWM switching power supply. High-frequency transformer is able to isolate the output termination from the grid completely. This also can achieve the isolated single-chip switching power supply integration of a non-frequency transformer. The entire circuit is with a wide range of output power, low cost, high degree integration and simple circuit design and other advantages.   (View)

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ST6210 battery charger circuit

Published:2011/7/2 2:50:00 Author:John | Keyword: battery charger

Currently, the environmentally nickel-metal hydride batteries will gradually replace nickel-cadmium batteries. Therefore, the compatible chargers for nickel cadmium and Ni-MH batteries are needed. In this case, common monitoring methods for nickel-cadmium batteries are no longer suitable for charging nickel-metal hydride batteries. The termination method for battery charger is based on detecting the curve inflection point of battery voltage. The detection for the turning point of nickel-metal hydride batteries is not only allows the compatibility for the charger of nickel-metal hydride batteries and nickel-cadmium batteries. The detection can also extend the service life of nickel-cadmium batteries. The compatible charger can use a 8-bit microcontroller (MCU, such as ST's ST6210) for being controled.   (View)

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MAX1501 charger circuit

Published:2011/7/2 1:50:00 Author:John | Keyword: charger

MAX1501 is a new generation of rechargeable chip. MAX1501 is used to simplify the design of the charger. MAX1501 can be set as the single cell Li-Ion battery charging controller and can also be set as charging controller with three nickel cadmium batteries and Nickel metal hydride battery in series. MAX1501 charger circuit is as shown.   (View)

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NE556 automatic monitoring circuit of starting battery of dynamo

Published:2011/6/20 6:22:00 Author:chopper | Keyword: automatic monitoring, starting battery, dynamo

This is a automatic monitoring circuit of starting battery of dynamo,and it can detect the voltage state of storage battery continuously.When the battery discharges to the prescriptive lowest voltage,it will stop charging automatically;when the battery needs a charger but the charge power supply is not available,it can distinguish automatically and send out a acoustic signal to remind operating staff of power supply.In addition,it has a function of automatic-manually operation convertion,which makes it charge the battery at any time manually.   (View)

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Matsushita shaver charge circuit

Published:2011/6/14 3:17:00 Author:chopper | Keyword: Matsushita, shaver, charge

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