MAX14576/MAX14636/MAX14637
USB Charger Detectors
ABRIDGED
DATA SHEET
Functional Diagram/ Typical Application Circuit
19-6457; Rev 1; 1/14
Ordering Information/Selector guide appears at end of data
sheet.
For related parts and recommended products to use with this part,
refer to www.maximintegrated.com/MAX14576.related.
General Description
The MAX14576/MAX14636/MAX14637 are USB charger
detectors. The MAX14576/MAX14636/MAX14637 will pass
USB Battery Charger Specification Revision 1.2 (USB BC
1.2) compliance tests. The MAX14636/MAX14637 can
also detect Apple chargers, and other nonstandard types.
These devices are capable of detecting multiple USB bat-
tery charging methods including standard downstream
ports (SDP), charging downstream ports (CDP), and dedi-
cated charger ports (DCP). The devices also feature USB
BC 1.2 defined dead-battery option support.
The MAX14576/MAX14636/MAX14637 feature analog
switches that are capable of passing USB Hi-Speed, full-
speed, and low-speed signals. The switches have low on-
resistance (3I, typ) and low on-capacitance (4.5pF, typ).
The CDN and CDP are high ESD protected up to Q15kV
Human Body Model (HBM), Q15kV IEC61000-4-2 Air Gap
Discharge, and Q 8kV IEC61000-4-2 Contact Discharge.
The MAX14576/MAX14636/MAX14637 are available in a
10-pin (1.6mm x 2.1mm) UTQFN package and operate
over the -40NC to +85NC extended temperature range.
Benefits and Features
S High Level of Integration
Capability to Withstand -6V to +30V (Absolute
Maximum) on VBUS Line
USB Battery Charger Detection
Will Pass USB Battery Charger
Specification Rev 1.2 Compliance Tests
USB DCP, SDP, and CDP Detection
Proprietary Charger Detection Capability
(MAX14636/MAX14637)
USB 2.0 Hi-Speed Switch with 3I (typ) On-
Resistance and 4.5pF (typ) On-Capacitance
High ESD Protection on CDP and CDN
Q15kV—HBM
Q15kV—IEC 61000-4-2 Air-Gap Discharge
Q8kV—IEC 61000-4-2 Contact Discharge
Q15kV HBM ESD Protection VBUS When
Bypassed with 0.1µF or Greater Ceramic
Capacitor
S Save Power in Portable Applications
Low Supply Current (150µA, typ)
S
Space Saving
10-Pin, 1.6mm x 2.1mm, UTQFN Package
Applications
Cell Phones
Digital Cameras
eReaders
Tablets
Portable Industrial
Products
EVALUATION KIT AVAILABLE
MAX14576
MAX14636
MAX14637
USB
CHARGER
DETECTION
USB/MICRO-USB
CONNECTOR
INTERNAL
POWER
I/O
CONTROL
V
BUS
VBUS
GND
D-
D+
SW_OPEN
TDN
TDP
GOOD_BAT
GND
1MI
CHG_AL_N
MICRO-
PROCESSOR
PMIC
VBUS
1MI
(MAX14636/
MAX14637)
1MI
(MAX14636/
MAX14637)
V
IO
V
IO
CHG_DET
CDN
CDP
For pricing, delivery, and ordering information, please contact Maxim Direct at
1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.
