Texas Instruments TPS92001 Evaluation Boards TPS92001EVM-628 TPS92001EVM-628 数据表
产品代码
TPS92001EVM-628
1
2
3
4
8
7
6
5
REF
VDD
GD
GND
CS
SS
RTC
RTD
TPS92001/2
Linear
Regulator
UDG-10003
TRIAC
Dimming
Control
EMI
Filter
www.ti.com
SLUSA24A – FEBRUARY 2010 – REVISED NOVEMBER 2010
GENERAL PURPOSE LED LIGHTING PWM CONTROLLER
Check for Samples:
1
FEATURES
DESCRIPTION
•
Ideal for Single Stage Designs
The TPS92001/2 family of general LED lighting PWM
controllers
controllers
contains
control
and
drive
circuitry
•
Supports Isolated and Non-Isolated
required for off-line isolated or non-isolated LED
Topologies
lighting applications.
•
Phase-Cut TRIAC Dimmable
The controllers can support Phase Cut TRIAC
•
Few External Components Mode Operation
dimming with minimal external components. The
•
Wide Duty Cycle Range for Wide-Input Voltage
controllers can also be implemented for stage
or Dimming Range
conversion where the power factor (PF) exceeds
•
Convenient 5-V Reference Output
regulatory requirements for lighting. These controllers
also have an accessible 5-V reference that could be
also have an accessible 5-V reference that could be
•
Undervoltage Lockout for Safe Operation
used to power a microcontroller or other low power
•
Operation to 1-MHz
peripheral components. The controllers operate in
•
0.4-A Source/0.8-A Sink FET Driver
fixed frequency current mode switching with minimal
external parts count. Internally implemented circuits
external parts count. Internally implemented circuits
•
Low 100-µA Startup Current
include undervoltage lockout featuring startup current
less than 100 µA, logic to ensure latched operation, a
less than 100 µA, logic to ensure latched operation, a
APPLICATIONS
PWM comparator, and a totem pole output stage to
•
Residential LED Lighting Drivers for A19
sink or source peak current. The output stage,
E12/E26/27, GU10, MR16, PAR30/38 Integral
suitable for driving N-Channel MOSFETs, is low in
Lamps
the off state. Oscillator frequency and maximum duty
•
Drivers for Wall Sconces, Pathway Lighting
cycle are programmed with two resistors and a
and Overhead Lighting
capacitor.
•
Drivers for Wall Washing, Architectural and
The TPS92001/2 family also features full cycle soft
Display Lighting
start.
The
family
offers
UVLO
thresholds
and
hysteresis levels for off-line and DC-to-DC systems.
DEVICE
TURN-ON
TURN-OFF
The TPS92001/2 is offered in the 8-pin MSOP (DGK)
NUMBER
THRESHOLD (V)
THRESHOLD (V)
and 8-pin SOIC (D) packages. The small MSOP
TPS92001
10
package
makes
the
device
ideally
suited
for
8
TPS92002
15
applications where board space and height are at a
premium.
premium.
SIMPLIFIED APPLICATION
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.