Datasheet > DIO5090X

DIO5090X

更新时间： 2024-04-09 18:59:08

品牌	Logo	应用领域
帝奥微 - DIOO		/
页数	文件大小	规格书
21页	1155K
描述
DIO5090X is highly integrated lithium ion and lithium polymer linear chargers, suitable for portab

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DIO5090X 数据手册

Rev 1.2

DIO5090X

1A, Single-Input, Single Cell Li-Ion and Li-Pol Battery

Charger With Auto Start

Features

Descriptions



Input Rating of 32V

DIO5090X is highly integrated lithium ion and

lithium polymer linear chargers, suitable for

portable applications with limited space. The

device is powered by a USB port or AC adapter.

The high input voltage range with input

Input Overvoltage Protection with 6.5V

Input Voltage Dynamic Power Management

10% Charge Current Accuracy

1% Charge Voltage Accuracy

Pin ISET2 can select 100mA or 500mA

Maximum Input Current Limit

overvoltage

protection

supports

low-cost,

unregulated adapters.



Programmable Termination and Trickle

Threshold

DIO5090X has a single power output and can

charge batteries. If the average system load fails

to charge the battery during the 10-hour safety

timer, the system load can be connected in

parallel with the battery.



Fixed 10 Hour Safety Timer

Status Indication – Charging/Done

Integrated Auto Start Function for Production

125°C Thermal Regulation

150°C Thermal Shutdown Protection

BAT Short-Circuit Protection

The device has three stages for charging a Li-Ion

battery: regulation, constant current and constant

voltage. In all charging stages, IC junction

temperature is monitored by the internal control

loop. When the charging current exceeds the

internal temperature threshold, the internal

control loop will reduce the charging current.

Charge Solutions for JEITA

(DIO5090A):

1. No charge at ‘Temp>50°C’ & ‘Temp<0°C’;

2. 0.2*CC (Constant-Current) Temp at 0~10°C;

3. Constant-Current Temp at 10~45°C;

4. 0.5*CC & BAT voltage = V_BAT-0.1 Temp at

45~50°C.

The charger power level and charging current

induction function are fully integrated. The

charger has high precision current and voltage

regulation circuit function, charging status

(DIO5090B, DIO5090D):

1. No charge at ‘Temp>45°C’ & ‘Temp<0°C’;

2. 0.2*CC (Constant-Current) Temp at 0~10°C;

3. Constant-Current Temp at 10~45°C.

4. DIO5090D has dedicated BAT_V pin for

battery voltage sense.

display,

charging

termination

function.

Trickle-charge current and terminal current

threshold can be programmed by external

resistance on DIO5090X. The value of constant

current can also be programmed by an external

resistance.



Automatic Termination and Timer Disable

Mode (TTDM) for Absent Battery Pack With

Thermistor

Package: EP-MSOP10

Applications



Low-Power Handheld Devices

Smart Phones

MP3 Players

PDAs

www.dioo.com

DIO5090X• Rev.1.2

12 3 4 5 6 7...21

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