| Part Number | Battery Charger Type | Number of Step-up Switching Regulators | Number of Step-down Switching Regulators | Number of LDO Regulators | Min VIN (V) | Max Regulator VIN (V) | Max Charger VIN (V) | Max Charger Protected VIN (V) | Max Charge Current (mA) | Max Charge Current (mA) | Single Channel Min Output Voltage (V) | Max Step-up Output Voltage (V) | Output Voltages Control | Operating Frequency (kHz) | Package (mm) |
| AAT2550 | Linear | 0 | 2 | 0 | 2.7 | 5.5 | 5.5 | N/A | 1000 | 600 | 0.6 | VIN | External Resistors | 1400 | QFN44 24L, 4 x 4 x 0.93 |
| AAT2552 | Linear | 0 | 1 | 1 | 2.7 | 5.5 | 7.5 | N/A | 500 | 300 | 0.6 | VIN | External Resistors | 1500 | TDFN33 14L, 3 x 3 x 0.75 |
| AAT2554 | Linear | 0 | 1 | 1 | 2.7 | 5.5 | 6.5 | N/A | 500 | 300 | 0.6 | VIN | External Resistors / Fixed | 1500 | TDFN34 16L, 3 x 4 x 0.75 |
| AAT2556 | Linear | 0 | 1 | 0 | 2.7 | 5.5 | 6.5 | N/A | 500 | 250 | 0.6 | VIN | External Resistors | 1500 | TDFN33 12L, 3 x 3 x 0.75 |
| AAT2557 | Linear | 0 | 0 | 1 | 2.7 | 5.5 | 6.5 | N/A | 500 | 300 | N/A | VIN | Fixed | N/A | TSOPJW 14L, 3.05 x 2.85 x 1.02 |
| AAT2601 | Linear | 0 | 1 | 5 | 4.5 | 6 | 6 | N/A | 1440 | 300 | 1.8 | N/A | Fixed | 1500 | TQFN 36L, 5 x 5 x 0.8 |
| AAT2601A | Linear | 0 | 1 | 5 | 4.5 | 6 | 6 | N/A | 1440 | 300 | 1.8 | N/A | Fixed | 1500 | TQFN 36L, 5 x 5 x 0.8 |
| AAT2601B | Linear | 0 | 1 | 5 | 4.5 | 6 | 6 | N/A | 1440 | 300 | 1.8 | N/A | Fixed | 1500 | TQFN 36L, 5 x 5 x 0.8 |
| AAT2603 | N/A | N/A | 2 | 4 | 2.7 | 5.5 | 6 | N/A | N/A | 1200 | 0.6 | VIN | External Resistors | 1500 | TQFN44 28L, 4 x 4 x 0.75 |
| AAT2605 | N/A | N/A | 0 | 5 | 2.7 | 5.5 | N/A | N/A | N/A | 300 | 0.6 | N/A | Fixed | N/A | TDFN 14L, 3 x 3 x 0.75 |
| AAT2606 | N/A | N/A | 0 | 6 | 2.7 | 5.5 | N/A | N/A | N/A | 300 | 0.6 | N/A | Fixed | N/A | TDFN 14L, 3 x 3 x 0.75 |
| AAT2608 | N/A | N/A | 1 | 8 | 2.7 | 5.5 | N/A | N/A | N/A | 800 | 0.6 | N/A | Fixed | 1500 | — |
| AAT2608A | 800/300 | N/A | 1 | 8 | 2.7 | 5.5 | N/A | N/A | N/A | N/A | 0.6 | N/A | External Resistors / Fixed | 1500 | TQFN 28L, 4 x 4 x 0.75 |
| AAT2610 | N/A | 3 | 4 | 0 | 1.6 | 5.5 | N/A | N/A | N/A | 1500 | 0.6 | 30 | External Resistors | 1500 | TQFN55 40L, 5 x 5 x 0.75 |
| AAT2614 | N/A | N/A | 1 | 4 | 2.5 | 5.5 | N/A | N/A | N/A | 600/300 | 1.0/1.8 | N/A | Fixed | 2000 | TQFN 20L, 3 x 3 x 0.75, or 16-bump CSP-0.4, 1.65 x 1.65 |
| AAT3601 | Linear | 0 | 1 | 5 | 4.5 | 6 | 6 | N/A | 1440 | 300 | 1.24 | N/A | Fixed | 1500 | TQFN 36L, 5 x 5 x 0.8 |
| AAT3603 | Linear | 0 | 1 | 5 | 4.5 | 6 | 6 | N/A | 1440 | 300 | 1.8 | N/A | I²C/Fixed | 1500 | TQFN 36L, 5 x 5 x 0.8 |
| AAT3603A | Linear | 0 | 1 | 5 | 4.5 | 6 | 6 | N/A | 1440 | 300 | 1.8 | N/A | I²C/Fixed | 1500 | TQFN 36L, 5 x 5 x 0.8 |
| AAT3604B | Linear | N/A | 1 | 1 | 2.7 | 4.5 | 6.5 | N/A | 100 | 25 | 0.6 | 27 | Enables | 1600 | — |
| AAT3608 | Linear | N/A | 2 | 5 | 2.7 | N/A | 5.5 | N/A | 1200 | 800/800/300/80/80/50/50 | 0.6 | N/A | I2C/ Enables/ GPIO | 1500 | TQFN 40L, 5 x 5 x 0.75 |
