High-efficiency low-power DC-to-DC converter

Harvesting power range from 35 µW to 2 mW

Advanced MPPT to maximize efficiency

Ultra fast MPPT interval of 0.7 second

Small BOM with no external inductor required

Compatible with various types of rechargeable batteries

Automotive product qualification in accordance with AEC-Q100 (Grade 1)

• Specified from -40 °C to +125 °C

Input operating voltage range (V_IN): 2.5 V to 5.5 V

Maximum continuous current (I_MAX): 2 A

ON resistance (R_DS(on)):

• V_IN = 5.5 V: 55 mΩ (typical)

• V_IN = 3.6 V: 65 mΩ (typical)

• V_IN = 2.5 V: 80 mΩ (typical)

Adjustable current limit: 110 mA to 2.5 A

±6 % current limit accuracy at 1.2 A

ILIM pin protection: can be shorted to ground or left floating

Constant current during current limit

No body diode when disabled (no current path from pin OUT to pin IN)

Active reverse voltage protection

Built in soft start

UL 62368 recognition

SOT457 (TSOP6) and SOT8044-1 (HWSON6) package option

ESD protection:

• HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V

• CDM: ANSI/ESDA/JEDEC JS-002 class C2a exceeds 500 V

• IEC 61000-4-2 contact discharge 8000 V

• IEC 61000-4-2 air-gap discharge 15000 V

Programmable constant battery load current: 2 mA to 16 mA

Protection against battery voltage dips (Brown-out)

Pulse output current: > 200 mA

Low ripple regulated programmable output voltage, VDH: 1.8 V to 3.6 V

Ultra-low standby current: < 50 nA

Peak conversion efficiency > 90% with adaptive optimization

Integrated fuel gauge

Small 16 pin lead-free package (SOT763-1/DHVQFN16; 2.5 mm × 3.5 mm × 0.85 mm)

Specified from -40 °C to +85 °C

Programmable constant battery load current: 2 mA to 16 mA

Protection against battery voltage dips (Brown-out)

Pulse output current: > 200 mA

Low ripple regulated programmable output voltage, VDH: 1.8 V to 3.6 V

Ultra-low standby current: < 50 nA

Peak conversion efficiency > 90% with adaptive optimization

Integrated fuel gauge

Small 16 pin lead-free package (SOT763-1/DHVQFN16; 2.5 mm × 3.5 mm × 0.85 mm)

Specified from -40 °C to +85 °C

Programmable constant battery load current: 2 mA to 16 mA

Protection against battery voltage dips (Brown-out)

Pulse output current: > 150 mA

Low ripple regulated programmable output voltage, VDH: 1.8 V to 3.6 V

Ultra-low standby current: < 50 nA

Peak conversion efficiency > 90% with adaptive optimization

Integrated fuel gauge

Integrated capacitor voltage balancing circuit

Small 16 pin lead-free package (SOT763-1/DHVQFN16; 2.5 mm × 3.5 mm × 0.85 mm)

Specified from -40 °C to +85 °C

Programmable constant battery load current: 2 mA to 16 mA

Protection against battery voltage dips (Brown-out)

Pulse output current: > 150 mA

Low ripple regulated programmable output voltage, VDH: 1.8 V to 3.6 V

Ultra-low standby current: < 50 nA

Peak conversion efficiency > 90% with adaptive optimization

Integrated fuel gauge

Integrated capacitor voltage balancing circuit

Small 16 pin lead-free package (SOT763-1/DHVQFN16; 2.5 mm × 3.5 mm × 0.85 mm)

Specified from -40 °C to +85 °C

Input operating voltage range (V_IN): 2.5 V to 5.5 V

Maximum continuous current (I_MAX): 2 A

ON resistance (R_DS(on)):

• V_IN = 5.5 V: 55 mΩ (typical)

• V_IN = 3.6 V: 65 mΩ (typical)

• V_IN = 2.5 V: 80 mΩ (typical)

Adjustable current limit: 110 mA to 2.5 A

±6 % current limit accuracy at 1.2 A

ILIM pin protection: can be shorted to ground or left floating

Constant current during current limit

No body diode when disabled (no current path from pin OUT to pin IN)

Active reverse voltage protection

Built in soft start

UL 62368 recognition

SOT457 (TSOP6) and SOT8044-1 (HWSON6) package option

ESD protection:

• HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V

• CDM: ANSI/ESDA/JEDEC JS-002 class C2a exceeds 500 V

• IEC 61000-4-2 contact discharge 8000 V

• IEC 61000-4-2 air-gap discharge 15000 V

Specified from -40 °C to +125 °C