JAJSSD2A October 2023 – December 2023 BQ25638
PRODUCTION DATA
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The host may place the device into high impedance mode by writing EN_HIZ = 1. In high impedance mode, RBFET (Q1), HSFET (Q2) and LSFET (Q3) are turned off. The RBFET and HSFET block current flow to and from VBUS, putting the VBUS pin into a high impedance state. The BATFET (Q4) is turned on to connect the BAT to SYS. During high impedance mode, REGN is disabled and the digital clock is slowed to conserve power.