EMC2105-BP-TR SMSC, EMC2105-BP-TR Datasheet - Page 3

• Manufacturer Part Number: EMC2105-BP-TR
• Description: Motor / Motion / Ignition Controllers & Drivers Closed Loop RPM Ctrl 3 Remote
• Manufacturer: SMSC
• Type: Controllerr

Specifications of EMC2105-BP-TR

• Product: Fan / Motor Controllers / Drivers
• Operating Supply Voltage: 3.3 V
• Supply Current: 2 mA
• Mounting Style: SMD/SMT
• Package / Case: QFN-20
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

RPM-Based High Side Fan Controller with Hardware Thermal Shutdown
Block Diagram
SMSC EMC2105
TRIP_SET*
DN4 / DP3*
DP4 / DN3*
FAN_OUT
VDD_5V
CLK_IN*
TACH1
DP1
DN1
DP2
DN2
External
Internal
Diodes
parallel
Diode
Driver
Tachs
Temp
Temp
diode
Anti-
Fan
Analog
Mux
* denotes multiple pin functions
Figure 1 EMC2105 Block Diagram
PRODUCT PREVIEW
Configuration
Table / RPM
11 bit Σ Δ
Lookup
Control
ADC
Shutdown
3
Thermal
Logic
Temp Limit
Temp Registers
Registers
Reference
Protocol
SMBus
GPIO
Slave
Revision 1.78 (04-21-09)
SMCLK
SMDATA
ALERT#
VREF*
GPIO1*