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Overview
| Topology | Buck-Boost Converter |
| Input voltage | 3.5-24 V |
| Switching frequency | 800-1200 kHz |
| Output 1 | 20.8 V / 8 A |
Description
The bq25700AEVM-732 and bq25703AEVM-732 evaluation modules (EVM) are SMBus or I2C-controlledNVDC-1 buck boost charger. The input voltage range is between 3.5 V and 24 V, with a programmableoutput of 1–4 cells and a charge output current range of 64 mA to 8.128 A. This EVM does not include theEV2400 interface device; the EV2400 must be ordered separately to evaluate the bq2570x EVM.
Features
Host-controlled NVDC 1S-4S battery buck boost charger with 3.5V~24V inputUltra low quiescent current of 600 μA and high PFM light load efficiency >80% at 20 mA load to meet energy star and ErP Lot6High integration charger has comprehensive /PROCHOT, input and battery current monitor (IADP/IBAT), system power monitor (PMON)
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-LHMI SMT Power Inductor, 2.2 µH, 9.5 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LHMI SMT Power Inductor | Inductance2.2 µH | Performance Rated Current9.5 A | Saturation Current @ 10%10 A | Saturation Current @ 30%19.6 A | DC Resistance20.3 mΩ | Self Resonant Frequency24 MHz | MountSMT |