Overview
The ADP5061ACBZ-4-R7, produced by Analog Devices Inc., is a highly versatile and compliant lithium-ion (Li-Ion) and lithium-polymer (Li-Pol) battery charger. This device is fully compliant with USB 3.0 and the USB Battery Charging Specification 1.2, enabling charging via the mini USB VBUS pin from a wall charger, car charger, or USB host port. The ADP5061 operates within an input voltage range of 4.0 V to 6.7 V and is tolerant of voltages up to 20 V, alleviating concerns about USB bus voltage spikes during connection or disconnection scenarios.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Input Voltage Range | 4.0 | 6.7 | V | ||
| Input Voltage Tolerance | -0.5 | 20 | V | USB VBUS | |
| Maximum Output Current | 2.1 | A | LDO mode | ||
| High Voltage Blocking FET (LDO FET) On Resistance | 330 | 485 | mΩ | IVIN = 500 mA | |
| Battery Isolation FET Resistance | 30 | mΩ | |||
| Load Regulation | -0.28 %/A | IISO_S = 0 mA to 1500 mA | |||
| Regulated System Voltage | 4.214 | 4.3 | 4.386 | V | VSYSTEM[2:0] = 000 (binary), IISO_S = 100 mA, LDO mode |
Key Features
- Fully programmable via I2C, allowing for flexible digital control inputs.
- Up to 2.1 A current from an AC charger in LDO mode.
- Built-in current sensing and limiting.
- Thermal regulation to prevent overheating.
- Compliant with JEITA 1 and JEITA 2 Li-Ion battery charging temperature specifications.
- Three factory-programmable digital input/output pins for various system configurations.
- Internal FET for battery isolation, enabling system powering even with a dead or no battery.
- SYS_EN flag to disable the system until the battery reaches the minimum required level for guaranteed system start-up.
Applications
- Digital still cameras.
- Digital video cameras.
- Single-cell Li-Ion portable equipment.
- PDAs, audio, and GPS devices.
- Portable medical devices.
- Mobile phones.
Q & A
- What is the input voltage range of the ADP5061ACBZ-4-R7? The input voltage range is from 4.0 V to 6.7 V.
- What is the maximum output current of the ADP5061ACBZ-4-R7 in LDO mode? The maximum output current is up to 2.1 A.
- Is the ADP5061ACBZ-4-R7 compliant with USB standards? Yes, it is fully compliant with USB 3.0 and the USB Battery Charging Specification 1.2.
- What is the purpose of the internal FET in the ADP5061ACBZ-4-R7? The internal FET provides battery isolation, allowing the system to be powered even with a dead or no battery.
- How is the ADP5061ACBZ-4-R7 programmed? It is fully programmable via I2C.
- What are the typical applications of the ADP5061ACBZ-4-R7? Typical applications include digital still cameras, digital video cameras, single-cell Li-Ion portable equipment, PDAs, audio and GPS devices, portable medical devices, and mobile phones.
- Does the ADP5061ACBZ-4-R7 have thermal regulation? Yes, it includes thermal regulation to prevent overheating.
- What is the SYS_EN flag used for in the ADP5061ACBZ-4-R7? The SYS_EN flag disables the system until the battery reaches the minimum required level for guaranteed system start-up.
- Is the ADP5061ACBZ-4-R7 tolerant of high input voltages? Yes, it is tolerant of input voltages up to 20 V.
- What is the resistance of the battery isolation FET in the ADP5061ACBZ-4-R7? The resistance of the battery isolation FET is as low as 30 mΩ.
