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[China]
Trade Verify
Address: Room 405, Building A2, Niushang Zhigu, United Industrial Park, Fengtang Avenue, Shenzhen，Guangdong, China. Post code: 518100
Contact name:Amy
SZ ADE Electronics Co., Ltd |
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Verified Suppliers
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BQ25121AYFPR 300mA Charger 5.5V IC Multi-Chemistry 25-DSBGA -40°C ~
85°C
Specifications of BQ25121AYFPR
| TYPE | DESCRIPTION |
| Category | Integrated Circuits (ICs) |
| Power Management (PMIC) | |
| Battery Chargers | |
| Mfr | Texas Instruments |
| Series | - |
| Package | Tape & Reel (TR) |
| Battery Chemistry | Multi-Chemistry |
| Number of Cells | 1 |
| Current - Charging | Constant |
| Programmable Features | Current, Timer, Voltage |
| Fault Protection | Over Current, Over Voltage, Short Circuit |
| Charge Current - Max | 300mA |
| Battery Pack Voltage | 4.65V |
| Voltage - Supply (Max) | 5.5V |
| Interface | I²C |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 25-XFBGA, DSBGA |
| Supplier Device Package | 25-DSBGA |
| Base Product Number | BQ25121 |
Features of BQ25121AYFPR
• Increases system operation time between charges
– Configurable 300-mA buck regulator (2.5-V default)
– 700-nA (typical) Iq with buck converter enabled (no load)
– Configurable load switch or 100-mA LDO output (load switch by
default)
– Up to 300-mA charge current for fast charging.
– 0.5% Accurate battery voltage regulation (configurable from 3.6 V
to 4.65 V in 10-mV steps)
– Configurable termination current down to 500 µA
– Simple voltage based battery monitor
– Watchdog timer disabled
• Highly integrated solution with small footprint
– 2.5-mm x 2.5-mm WCSP Package and six external components for
minimal solution
– Push-button wake-up and reset with adjustable timers
– Power path management for powering the system and charging the
battery
– Power path management enables <50 nA Ship Mode battery
quiescent current for longest shelf life
– Battery charger operates from 3.4 V – 5.5 VIN (5.5-V OVP / 20-V
tolerant)
– Dedicated pins for input current limit, charge current,
termination current, and status output
• I2C communication control
– Charge voltage and current
– Termination threshold
– Input current limit
– VINDPM Threshold
– Timer options
– Load switch control
– System output voltage adjustment
– LDO output voltage adjustment
• Safety-Related Certification:
– TUV IEC 62368-1 Certification
Introduction of BQ25121AYFPR
• Smart watches and other wearable devices
• Fitness accessories
• Health monitoring medical accessories
• Rechargeable toys
