Document
STUSBCD01B
USB charger detection interface
Features
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Capable of detecting dedicated USB chargers and host chargers (current sink and dedicated methods) Operates with VBAT 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 (VIO) VBUS 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 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 VBUS 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)
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Applications
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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.
Table 1.
Device summary
Order code STUSBCD01BJR Package Flip-Chip 12 (1.6 x 1.2 mm) Packaging 3000 parts per reel
November 2008
Rev 1
1/19
www.st.com 19
Datasheet pdf - http://www.DataSheet4U.co.kr/
Contents
STUSBCD01B
Contents
1 2 3 Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1 3.2 3.3 3.4 3.5 3.6 Detection methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Dedicated charger detection method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Current sink method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Detection triggering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 VBUS clamping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Internal regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4 5 6 7 8 9
Functional tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
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Timing diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..