Renesas Electronics ISL9238
The ISL9238 is a buck-boost Narrow Output Voltage DC (NVDC) charger. The ISL9238 provides the NVDC charging, system bus regulation and protection features for tablet, Ultrabook, notebook, power bank, and any USB-C interface platform. The advanced Renesas R3™ Technology provides high light-load efficiency and fast transient response.| Part No. | ISL9238 |
|---|---|
| Datasheet | ISL9238 Download |
| Manufacturer |  Renesas Electronics |
| Description | Buck-Boost Narrow VDC Battery Charger |
| Buy | Stock & Price |
FEATURES
● Buck-boost NVDC charger for 1-, 2-, 3-, or 4-cell Li-ion batteries● Input voltage range 3.2V to 23.4V (no dead zone)
● System output voltage 2.4V to 18.304V
● Autonomous charging option (automatic end of charging)
● System power monitor PSYS output, IMVP compliant
● Up to 1MHz switching frequency
● Adapter current and battery current monitor (AMON/BMON)
● PROCHOT# open-drain output, IMVP compliant
● Allows trickle charging of depleted battery
● Ideal diode control in Turbo mode
● Reverse buck, boost, and buck-boost operation from battery
● Two-level adapter current limit available
● Battery Ship mode option
● SMBus and auto-increment I2C compatible
● 4x4 32 Ld TQFN package
APPLICATIONS
● 1 to 4-cell tablet, Ultrabook, notebook, power bank, and any USB-C interface portable device requiring batteries VADP OPTIONAL Rs1 Q1 Q4 L1 Q2 Q3 VSYS UGATE1 LGATE1 BOOT1 PHASE1 PHASE2 BOOT2 LGATE2 UGATE2 CSIN CSIP ASGATE ADP ACIN ACOK PROCHOT# AMON/BMON BATGONE OTGEN/CMIN ISL9238 GND VSYS CSOP CSON BGATE VBAT OTGPG/CMOUT PSYS Rs2 VBAT SCL SDA COMP PROG DCIN VDD VDDP FN8877 Rev.9.00 Jul 19, 2019 FIGURE 1.
