TP4062 Tuowei 500ma anti-reverse wiring lithium-ion battery charger advantage products

TP4062

(500mA Linear Li-Ion Battery Charger)

describe

TP4062 is a complete single-cell lithium-ion battery charger with reverse polarity protection of battery positive and negative poles, with larger charging current and more stable current consistency. Its constant current/constant voltage linear control, SOT package and low external component count make the TP4062 ideal for portable applications.

External sense resistors and blocking diodes are not required due to the use of an internal PMOSFET architecture, coupled with a reverse charge protection circuit. Thermal feedback automatically adjusts the charge current to limit the die temperature during high power operation or high ambient temperature conditions. The full voltage is fixed at 4.2V, while the charge current can be set externally with a resistor. When charging enters the constant voltage stage, the charging current will automatically decrease. When the charging current drops to 1/10 of the set value, the indicator light turns on, but the charging current does not stop, the charging current gradually decreases and the battery voltage is kept at 4.2V. When the input voltage (AC adapter or USB power) is removed, the TP4062 automatically enters a low current state with battery drain current below 2uA. Other features of the TP4062 include a charge current monitor, undervoltage lockout, two status pins to indicate end of charge and input voltage engagement.

Features

Lithium battery positive and negative polarity reverse protection;

Programmable charging current up to 500mA;

·The charging current gradually decreases after the light is fully charged and the battery voltage is maintained at 4.2V;

No MOSFETs, sense resistors or blocking diodes required;

·For single-cell lithium-ion battery

Constant current/constant voltage operation with thermal regulation to maximize charging rate without danger of overheating;

· Single-cell Li-ion battery can be charged directly from the USB port;

4.2V preset charging voltage with an accuracy of ±1%;

The highest input can reach 9V;

2 open-drain output pins for state of charge;

The power supply current in standby mode is 50uA;

2.9V trickle charging device version;

Soft start limits inrush current;

• Available in a 6-pin SOT-23 package.

application

·E-cigarette charger

·Charging stand, power bank

Cell phones, PDAs, MP3 players

·Bluetooth application typical application

Absolute Maximum Ratings

·Input power supply voltage (VCC): -0.7V～11V

·PROG: -0.3V～VCC+0.3V

·BAT: -4.2V～7V

·CHRG: -0.3V～10V

·STDBY: -0.3V～10V

BAT short circuit duration: continuous

BAT pin current: 500mA

·PROG pin current: 800uA

·Maximum junction temperature: 150℃

·Working environment temperature range: -40℃～85℃

·Storage temperature range: -65℃～125℃

·Pin temperature (soldering time 10 seconds): 260℃

AD8505ARJZ AD8532ARZ-REEL7 AD8534ARZ-REEL AD8541ARTZ-REEL7 AD8542ARZ-REEL7 AD8544ARUZ AD8544ARZ AD8613AUJZ AD8617ARZ-REEL7 AD8692ARZ-REEL7 AD8694ARZ-REEL7 ADA4505-1ARJZ

Hong Kong Xinrui guarantees original imported spot

Xinrui Electronics (Hong Kong) Co., Ltd., a professional component distributor (authorized and non-authorized brands) for 18 years, one-stop terminal manufacturer supporting: (quality assurance and integrity management) is the company's commitment to provide customers with brand original semiconductors, electronic products Component terminal supporting market, focusing on ESD/TVS electrostatic protection diodes, LDO low-power voltage regulators, MOS tubes, battery charging and management power supplies, LEDs, optocouplers, resistors and capacitors, PCB solutions (wireless Bluetooth solutions, One-stop Bluetooth sports solution, speaker, wireless power bank).

Main products: ESD electrostatic diodes, TVS diodes, battery charging and management power supplies, MOS tubes, LDO low-power voltage regulators.

Company: Xinrui Electronics (Hong Kong) Co., Ltd.

Contact: Miss Yao

Mobile: 13725590222

Tel: 0755-83780666/83265111

Fax: 0755-82800889

QQ: 3373563833

Address: 26B, Block B, Huaqiang Plaza, Futian North Road, Futian District, Shenzhen

Company website: www.xrdz-hk.com

Netease Technology News September 21 news, according to foreign media reports, Apple's latest iPhone 11, iPhone 11 Pro and iPhone 11 Pro Max all have a dynamic power management system. This combination of software and hardware reduces its impact on the phone's performance as battery life and battery health degrade over time.

In its latest support document, Apple said that the iPhone 11 series of smartphones include a new hardware and software battery management system that is always on-the-fly.

The system dynamically monitors the maximum power requirements of the iPhone 11, iPhone 11 Pro and iPhone 11 Pro, and manages the performance of the phone so that it can meet relevant functional requirements in real time. The new system is more advanced than previous iPhone battery and power management systems to reduce the impact of battery aging on performance.

Apple's performance throttling mechanism caused quite a stir in late 2017. While the feature was designed to prevent phones from accidentally shutting down and improve battery life on older phones, Apple has been repeatedly accused of artificially slowing down devices. Apple was offering discounted battery replacements throughout 2018 due to miscommunication when Apple released the feature.

Apple says the iPhone 8, iPhone 8 Plus and iPhone X all include new power management hardware, and the internal systems of the iPhone 11 series of smartphones appear to be a step forward.

No matter how useful this system is, the batteries in the iPhone 11 series will still age over time like all lithium-ion batteries. Apple says a poor iPhone 11 battery may result in longer app launch times, worse frame rates, lower phone data throughput, and possibly lower speaker volume and maximum screen brightness. (Chen Chen)

Hong Kong Xinrui Electronics Co., Ltd., 18 years of professional component distributors (authorized and non-authorized brands), one-stop terminal manufacturer support: (quality assurance and integrity management) is the company's commitment to provide customers with brand original semiconductors, electronic components Terminal supporting market, focusing on ESD/TVS electrostatic protection diodes, LDO low-power voltage regulators, MOS tubes, battery charging and management power supplies, LEDs, optocouplers, resistors and capacitors, PCB solutions (wireless Bluetooth solutions, Bluetooth sports version solution one-stop, speakers, wireless power bank).

Main products: ESD electrostatic diodes, TVS diodes, battery charging and management power supplies, MOS tubes, LDO low-power voltage regulators.

Company: Hong Kong Xinrui Electronics Co., Ltd.

Contact: Miss Yao

Mobile: 13725590222

Tel: 0755-83780666/83265111

Fax: 0755-82800889

QQ: 3373563833

Address: 26B, Block B, Huaqiang Plaza, Futian North Road, Futian District, Shenzhen

Company website: www.xrdz-hk.com

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For more models, please inquire:

Hong Kong Xinrui Electronics Co., Ltd. is a professional supplier of integrated circuits and has many years of sales experience in the bank! With a large stock of stock, integrity-based, customer first, the quality of products for customers!

Due to the large number of company models, it is impossible to upload them one by one. If you can't find the product you want on the website, please contact the salesperson. Our company can provide electronic components distribution service.

Company: Hong Kong Xinrui Electronics Co., Ltd.

Contact: Miss Yao

Mobile: 13725590222

Tel: 0755-83780666/83265111

Fax: 0755-82800889

QQ: 3373563833

Address: 26B, Block B, Huaqiang Plaza, Futian North Road, Futian District, Shenzhen

Company website: www.xrdz-hk.com

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Hong Kong Xinrui Electronics Co., Ltd. is a professional supplier of integrated circuits and has many years of sales experience in the bank! With a large stock of stock, integrity-based, customer first, the quality of products for customers!

Due to the large number of company models, it is impossible to upload them one by one. If you can't find the product you want on the website, please contact the salesperson. Our company can provide electronic components distribution service.

Company: Hong Kong Xinrui Electronics Co., Ltd.

Contact: Miss Yao

Mobile: 13725590222

Tel: 0755-83780666/83265111

Fax: 0755-82800889

QQ: 3373563833

Address: 26B, Block B, Huaqiang Plaza, Futian North Road, Futian District, Shenzhen

Company website: www.xrdz-hk.com