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DA9168

1-Cell, 2.0 A Battery Charger PMIC with 20 mA Termination, Ultra-Low IQ Reverse Boost, and I2C

DA9168 System Diagram

DA9168 is a configurable Battery Management IC (BMIC) with integrated dual LDOs and reverse boost to support USB-OTG. The extremely low quiescent current consumption in a very compact footprint makes it ideally suited for a multitude of space conscious, battery powered consumer applications. The fast-growing hearable segment for True Wireless Stereo (TWS), wearable segment
for smart watches, and a range of smart home applications such as smart cameras are examples where the DA9168 is an extremely good fit.

The device comprises a high-efficiency switch mode charger with power path management capable of supporting up to 2 A charge current, dual LDOs that can be configured as load switches, and high-efficiency reverse boost functionality.

DA9168 has several power saving modes to increase battery life whether the product sits on the shelf or is in operation. Further savings in power are achieved with the ultra-low IQ reverse boost converter that is efficient down to 60 μA load currents with low power LDOs.
 

Lifecycle status

● Active

Features

High-efficiency, synchronous switch mode buck charger 

Reverse current mode 

Integrates two LDOs / load switches 

High integration includes all MOSFETs, current sensing, and loop compensation 

Low RDS_ON < 19 mΩ (typ) BATFET to extend battery life 

High accuracy battery charging profile

High integration and configurability 

Fast charge

Benefits

Low IQ solution.

High efficiency Fast charging of up to 2A and PFM mode light loads of upto 20mA

Reverse boost upto 1A and PFM mode on light loads (60uA)

Low IQ linear chargers (LDOs) that can support upto 350mA

Single input to support USB input and high voltage adapters - Supports 4.0 V to 10.0 V input voltage

Ultra-low leakage state during shipmode 

High accuracy battery charging profile ±5 % charge current regulation

Dynamic Power path balancing that reducing charging current and input current as necessary and allowing VSYS to draw current from both supplies during peak loads.

Programmable OVP, which can be used for variety of charger applications such as Wireless Charging (up to 10V), Wired(~6V), etc.

OV, UV protection on VBAT and VSYS inputs.

Inbuilt Die Temperature monitoring & Battery temperature Monitoring.
 

Applications

TWS cradle charger 

Wearable devices - fitness trackers, smart watches, wireless headphones

Home automation devices - smoke detectors, smart thermostats, smart door locks

Health monitoring medical accessories

Rechargeable toys

High efficiency, ultra-low power applications 
 

Package

WLCSP 30L 2.145 x 2.545 x 0.53

Ordering information

Part Number Shipment Form Pack Quantity
DA9168-xxU72 Tape and Reel 6000
DA9168-xxU76  Waffle Pack 550
Datasheets
Name Date Version
DA9168_Datasheet (1.87 MB) 22/10/2021 2.0