Datasheet > DA9318M-06UF2

DA9318M-06UF2

更新时间： 2024-02-08 07:31:34

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High-Efficiency, 10 A, High-Voltage Direct Charger

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DA9318M-06UF2 数据手册

DA9318L/M

High-Efficiency, 10 A, High-Voltage Direct Charger

General Description

DA9318L/M is a direct charger using a high-efficiency current doubler with integrated Analog to

Digital Converter (ADC) for system monitoring. The device is especially optimized to handle high

charging currents and at the same time ensure the safety of the battery and the system. It operates

together with a main charger, which handles the pre-charge and constant voltage charging duties.

The current doubling is achieved with a high-efficiency capacitive divider that provides an output

voltage of V_IN/2, which allows the use of standard Type-C™ cables for charging currents up to 6 A.

The peak efficiency of DA9318L/M is 98 %.

Available as two variants, the DA9318L provides a maximum 8 A charging current and 35 W of

charging power, whereas DA9318M provides 10 A output current and 44 W of charging power.

An integrated reverse protection feature blocks current flow in both directions while the device is not

operational. Additionally, the battery is protected by DA9318L/M by six hardware based safety

functions for any over- or under-voltage condition. All safety triggered events lead to an automatic

shutdown and are reported via interrupt to the system.

DA9318L/M features an 8-bit ADC for input and output current and voltage, and junction temperature

monitoring which ensures safety during direct charging. For software supervision a programmable

watchdog timer, and for battery overload protection a safety timer, are included.

An I²C compatible 2-wire interface is provided for the device control.

The DA9318L/M is available in a small WLCSP 3.62 mm × 3.78 mm package.

Key Features

■

8 A output current (DA9318L)

■

8-bit ADC to measure voltage and current at

the input and output as well as junction

temperature

10 A output current (DA9318M)

98 % efficiency at 2 A

■

Safety timer and watchdog

Automatic shutdown in fault condition

Travel adaptor detection

5 % current sense accuracy (DA9318L)

10 % current sense accuracy (DA9318M)

Reverse and forward current protection in

IDLE mode

I²C compatible 2-wire interface

No inductors

WLCSP package: 3.62 mm × 3.78 mm

■

Applications

■

Direct charging in smartphones and tablets, battery packs, and Li-ion powered devices

Datasheet

Revision 3.1

21-Apr-2021

CFR0011-120-00

1 of 49

12 3 4 5 6 7...49

中文翻译

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