INTEGRATED CIRCUITS
DATA SHEET
TEA1506P; TEA1506AP;
TEA1506T; TEA1506AT
GreenChip™II SMPS control IC
Product specification
2003 Sep 09
Philips Semiconductors
Product specification
GreenChip™II SMPS control IC
FEATURES
Distinctive features
•
Universal mains supply operation (70 to 276 V AC)
•
High level of integration; giving a low external
component count.
Green features
•
Valley or zero voltage switching for minimum switching
losses
•
Efficient quasi-resonant operation at high power levels
•
Frequency reduction at low power standby for improved
system efficiency (≤3 W)
•
Cycle skipping mode at very low loads.
Protection features
•
Safe restart mode for system fault conditions
•
Continuous mode protection by means of
demagnetization detection (zero switch-on current)
•
Accurate and adjustable overvoltage protection (latched
in TEA1506; safe restart in TEA1506A)
•
Short winding protection
•
Undervoltage protection (foldback during overload)
•
Overtemperature protection
•
Low and adjustable overcurrent protection trip level
•
Soft (re)start.
TEA1506P; TEA1506AP;
TEA1506T; TEA1506AT
APPLICATIONS
Besides typical application areas, i.e. TV and monitor
supplies, the device can be used in adapters and chargers
and all applications that demand an efficient and
cost-effective solution up to 150 W. Unlike the other
GreenChip™II control ICs, the TEA1506 has no internal
high voltage start-up source and needs to be started by
means of an external bleeder resistor.
1
2
3
4
8
7
6
5
TEA1506P
TEA1506AP
MDB504
Fig.1 Basic application diagram.
2003 Sep 09
2
Philips Semiconductors
Product specification
GreenChip™II SMPS control IC
GENERAL DESCRIPTION
The GreenChip™
(1)
II is the second generation of green
Switched Mode Power Supply (SMPS) control ICs. A high
level of integration leads to a cost effective power supply
with a low number of external components.
(1) GreenChip is a trademark of Koninklijke Philips
Electronics N.V.
TEA1506P; TEA1506AP;
TEA1506T; TEA1506AT
The special built-in green functions allow the efficiency to
be optimum at all power levels. This holds for
quasi-resonant operation at high power levels, as well as
fixed frequency operation with valley switching at medium
power levels. At low power (standby) levels, the system
operates at a reduced frequency and with valley detection.
Highly efficient and reliable supplies can easily be
designed using the GreenChip™II control IC.
ORDERING INFORMATION
PACKAGE
TYPE NUMBER
NAME
TEA1506P
TEA1506AP
TEA1506T
TEA1506AT
SO14
plastic small outline package; 14 leads; body width 3.9 mm
SOT108-1
DIP8
DESCRIPTION
plastic dual in-line package; 8 leads (300 mil)
VERSION
SOT97-1
2003 Sep 09
3
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2003 Sep 09
4
BLOCK DIAGRAM
Philips Semiconductors
GreenChip™II SMPS control IC
VCC
1
(2)
SUPPLY
MANAGEMENT
8
(14)
Iprot(DEM)
DRAIN
internal
supply
2
(3)
UVLO start
VALLEY
clamp
GND
VOLTAGE
CONTROLLED
OSCILLATOR
4
LOGIC
100
mV
(7)
DEM
FREQUENCY
CONTROL
UP/DOWN
COUNTER
OVER-
VOLTAGE
PROTECTION
Iprot(CTRL)
CTRL
3
(6)
3.8 V
UVLO
−1
LOGIC
DRIVER
Iss
LEB
6
(11)
DRIVER
POWER-ON
RESET
S
Q
blank
soft
start
S2
0.5 V
R
Q
5
OCP
(9)
Isense
S
OVER-
TEMPERATURE
PROTECTION
VCC < 4.5 V
or UVLO
(TEA1506AT)
Q
TEA1506P; TEA1506AP;
TEA1506T; TEA1506AT
R
Q
TEA1506P;
TEA1506AP
(TEA1506T;
TEA1506 AT)
MAXIMUM
ON-TIME
PROTECTION
short
winding
0.88 V
OVERPOWER
PROTECTION
MDB505
Product specification
Pin numbers in parenthesis represent the SO version.
Fig.2 Block diagram.
Philips Semiconductors
Product specification
GreenChip™II SMPS control IC
PINNING
PIN
SYMBOL
DIP8
V
CC
GND
CTRL
DEM
I
sense
DRIVER
HVS
DRAIN
n.c.
1
2
3
4
5
6
7
8
−
SO14
2
3
6
7
9
11
12, 13
14
1, 4, 5, 8,
10
supply voltage
ground
control input
TEA1506P; TEA1506AP;
TEA1506T; TEA1506AT
DESCRIPTION
input from auxiliary winding for demagnetization timing; overvoltage and
overpower protection
programmable current sense input
gate driver output
high voltage safety spacer; not connected
drain of external MOS switch; input for valley sensing and initial internal
supply
not connected
handbook, halfpage
n.c. 1
handbook, halfpage
14 DRAIN
13 HVS
12 HVS
VCC 1
GND 2
8 DRAIN
7 HVS
VCC 2
GND 3
n.c. 4
n.c. 5
TEA1506P
TEA1506AP
6 DRIVER
CTRL 3
DEM 4
MDB506
TEA1506T
11 DRIVER
TEA1506AT
10 n.c.
9
8
MDB507
5 Isense
CTRL 6
DEM 7
Isense
n.c.
Fig.3 Pin configuration DIP8.
Fig.4 Pin configuration SO14.
2003 Sep 09
5
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