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MAX712／MAX713 pin arrangement mode

Published:2011/4/22 4:46:00 Author:Nicole | Keyword: pin arrangement

MAX712／MAX713 pin arrangement mode
MAX712／MAX713 series are fast charging management chip produced by Maxim Company. MAX712／MAX713 chip is suitable for the charging of 1~16 bit Ni-MH battery or Ni-Cd battery. The pin arrangement diagram is shown as below: (View)

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MAX712 internal structure block diagram

Published:2011/4/22 4:39:00 Author:Nicole | Keyword: internal structure

MAX712 internal structure block diagram
(View)

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MAX712 application circuit(charging circuit)

Published:2011/4/22 4:38:00 Author:Nicole | Keyword: charging

MAX712 application circuit(charging circuit)
(View)

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MAX712 application circuit charging circuit

Published:2011/4/22 4:37:00 Author:Nicole | Keyword: charging

MAX712 application circuit charging circuit
(View)

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MAX713 application circuit under linear model

Published:2011/4/22 4:36:00 Author:Nicole | Keyword: linear model

MAX713 application circuit under linear model
(View)

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MAX834/835 typical application circuit

Published:2011/4/22 4:33:00 Author:Nicole | Keyword: typical application

MAX834/835 typical application circuit
(View)

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LC2190 principle and application circuit diagram

Published:2011/4/20 1:30:00 Author:Rebekka | Keyword: principle and application

LC2190 principle and application circuit diagram

LC219 is a modified LC2190 circuit, the internal principle of the improved emission encoder circuit is shown as above. Application circuit diagram is shown as above. (View)

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±12V regulated power supply composed of MC7812 positive pressure and MC7912MC(negative pressure)

Published:2011/4/22 4:16:00 Author:Nicole | Keyword: ±12V regulated power supply, positive pressure, negative pressure

±12V regulated power supply composed of MC7812 positive pressure and MC7912MC(negative pressure)
(View)

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Reset circuit composed of MC3X164 series

Published:2011/4/22 4:18:00 Author:Nicole | Keyword: reset

Reset circuit composed of MC3X164 series
(View)

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Overvoltage protection circuit composed of MC3X164 series

Published:2011/4/22 4:19:00 Author:Nicole | Keyword: Overvoltage protection

Overvoltage protection circuit composed of MC3X164 series
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MC3X164 series typical application circuit

Published:2011/4/22 4:10:00 Author:Nicole | Keyword: typical application

MC3X164 series typical application circuit
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Internal structure of UC3906

Published:2011/4/22 3:54:00 Author:Nicole | Keyword: internal structure

Internal structure of UC3906
As VRLA battery charge special chip, UC3906 has 3 kinds of charging logic control and detection function to achieve the best charge of VRLA battery, it also has the functions of environmental temperature self-adapting, charge-discharge extent self-adapting, and current limiting, under-voltage protection. The adopted temperature compensation technology can make all kinds of charging transformational voltage change in relation to the VRLA battery voltage temperature coefficient, then the VRLA battery will reach the best charging state within a wide temperature range. The internal structure diagram is shown as below: (View)

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TS28 circuit diagram

Published:2011/4/20 21:55:00 Author:Rebekka | Keyword: circuit diagram

TS28 circuit diagram
Remote working power outlet uses half-wave rectifier RC Buck. The receive part uses the regulator voltage tube regulator. Receiver circuit uses a simple super-regenerative circuit-type receiver circuit. (View)

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TC620 temperature sensing automatic heating temperature control circuit diagram

Published:2011/4/20 21:51:00 Author:Rebekka | Keyword: Temperature control , temperature sensing

TC620 temperature sensing automatic heating temperature control circuit diagram
Circuit is shown as below. It includes TC620 temperature control circuit, the temperature indicating circuit, SCR control heating circuit, vocal music buck rectifier circuit and communication circuit. (View)

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Infrared Ray Remote Control Fan Circuit

Published:2011/4/21 1:40:00 Author:Tina | Keyword: Infrared Ray, Remote Control, Fan Circuit

The Infrared Ray Remote Control Fan Circuit is as shown: (View)

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KIA Electrical System Circuit

Published:2011/4/21 8:30:00 Author:Christina | Keyword: KIA, Electrical System

The KIA Electrical System Circuit is as shown. (View)

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Overvoltage protection circuit with automatic reset

Published:2011/4/20 9:10:00 Author:Nicole | Keyword: overvoltage protection

Overvoltage protection circuit with automatic reset
The circuit mainly includes power supply, trigger start and control, to control load R1 turn on or off power supply through TRIAC ZN6346. Once the AC power voltage is too high, the ○A point's voltage on constant current component 1N5314 is rising, then the unidirectional SCR 2N5O6O turns on and transistor MPS6581 turns off, SCR 2N6239 turns off too, finally, main bi-directional SCR turns off, it can protect load from overvoltage damaging. (View)

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Polarity reversal boost power supply circuit diagram composed of LT1172

Published:2011/4/2 4:38:00 Author:Nicole | Keyword: boost power supply

As shown, this is a polarity reversal boost power supply which is composed of boost switching regulator LT1172. The output voltage is -10 ~-30V, output current is 25mA, conversion efficiency is 80%. It uses the LT1172 to boost, and connect a charge pump which composed of C1, C2, D2, D3 on the output termination of LT1172, then to complete the output voltage polarity reversal. (View)