November 2008 Rev 1 1/19
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STUSBCD01B
USB charger detection interface
Features
■ Capable of detecting dedicated USB chargers
and host chargers (current sink and dedicated
methods)
■ Operates with V
BAT
supply voltage ranging
from 2.2 V to 4.5 V
■ Active high open drain hardware detection pin
(DETECT)
■ GPIO control interface
■ 1.6 V - 2.8 V interface voltage range (V
IO
)
■ V
BUS
voltage 6 V clamping circuit
■ Low DP-DM input capacitance
■ ESD: HBM ± 2 kV, CDM 500 V on every pin
■ 12 bumps Flip-Chip package, 1.6 x1.2 mm,
pitch 0.4 mm, max thickness 0.60 mm,
Halogen free RoHS compliant package
Applications
■ Mobile phones
■ PDAs, MP3 players
Description
The STUSBCD01B is a USB charger detection IC
which can detect dedicated USB chargers,
Host/Hub chargers or standard host ports
connected to the USB DP/DM data lines.
The device implements two different detection
methods in order to be able to distinguish
between a dedicated charger and a Host/Hub
charger.
Operation is controlled through three general
purpose I/O pins; a hardware open drain
detection output is also available.
An internal regulator provides the 1.8 V supply
voltage for the internal blocks and state machine
while a clamping device prevents V
BUS
voltage
from going over 6 V (typ.).
The STUSBCD01B is available in a 12 bumps
Flip-Chip 0.4 mm pitch package.
Flip-Chip 12 (1.6 x 1.2 mm)
Table 1. Device summary
Order code Package Packaging
STUSBCD01BJR Flip-Chip 12 (1.6 x 1.2 mm) 3000 parts per reel
www.st.com
