EMC2104-BP-TR SMSC, EMC2104-BP-TR Datasheet - Page 3

• Manufacturer Part Number: EMC2104-BP-TR
• Description: Motor / Motion / Ignition Controllers & Drivers Dual Closed Loop RPM Fan Ctrl 4Remote
• Manufacturer: SMSC
• Type: Controllerr

Specifications of EMC2104-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

Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown
Block Diagram
SMSC EMC2104
TRIP_SET*
DP3 / DN4*
DN3 / DP4*
CLK_IN*
TACH2*
PWM2*
TACH1
PWM1
DN1
DN2
DP1
DP2
External
Internal
Diodes
parallel
Drivers
Diode
Tachs
Temp
Temp
diode
PWM
Anti-
Analog
Mux
Figure 1 EMC2104 Block Diagram
* denotes multiple pin functions
PRODUCT PREVIEW
Configuration
Table / RPM
11 bit Σ Δ
Lookup
Control
ADC
3
Shutdown
Thermal
Logic
Temp Limit
Temp Registers
Registers
Reference
Protocol
SMBus
GPIOs
Slave
Revision 1.78 (02-28-11)
SMCLK
SMDATA
ALERT#
GPIO1*
GPIO2*
GPIO3*
VREF*