Analog Devices / Maxim Integrated MAX77826 Power Management IC
Analog Devices MAX77826 Power Management IC is a sub-power management IC for 3G/4G smartphones and tablets. The Analog Devices MAX77826 contains a high-efficiency BUCK regulator, a BUCK BOOST regulator, and 15 LDOs to power up peripherals.
The MAX77826 also provides power on/off control logic and an I2C serial interface to individual program regulator output voltages and on/off control for complete flexibility.
The linear regulators support a remote cap feature, providing greater than 70dB PSRR and less than 45μVRMS noise. The MAX77826 features I2C-compatible, 2-wire serial interface that comprises a bidirectional serial data line (SDA) and a serial clock line (SCL).
The Analog Devices MAX77826 supports SCL clock rates up to 3.4MHz.
Features
- Compact total solution size allows more peripheral devices in smartphones and tablets
- 3A high-efficiency buck regulator
- DVS (Dynamic Voltage Scaling) through HS I2C
- ±1% (typ.) output voltage DC accuracy
- Low power mode
- 2A buck boost regulator
- 15 linear regulators with remote cap
- 3 NMOS LDOs (VOUT range: 0.6V to 2.1875V with 12.5mV step)
- 1 x 150mA
- 1 x 450mA
- 1 x 600mA
- 6 PMOSLV LDOs (VOUT range: 0.8V to 3.975V with 25mV step)
- 3 x 150mA
- 3 x 300mA
- ±1.5% typical output voltage DC accuracy
- 70dB PSRR at 1kHz
- Low power mode with 2μA (typ) for all LDOs
- 3A high-efficiency buck regulator
- Simple management of power-up/down sequence, output voltage setting, and fault detection
- High-speed (up to 3.4MHz) I2C serial interface
Block Diagram
MAX77826 Evaluation Kit
MAX77826 Evaluation Kit is a fully assembled and tested PCB that evaluates the MAX77826 power-management IC. The MAX77826 includes 1 BUCK regulator, 1 BUCK-BOOST regulator, 15 LDOs (3 NMOS LDOs and 12 PMOS LDOs), and an I2C Interface. The I2C interface supports output-voltage settings, turning on/off of all regulators and reading interrupt/status registers.
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