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Shanghai Belling - Single Phase Energy Meter IC

Numéro de référence BL6501
Description Single Phase Energy Meter IC
Fabricant Shanghai Belling 
Logo Shanghai Belling 





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BL6501 fiche technique
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BL6501 Single Phase Energy Meter IC
FEATURES
DESCRIPTION
High accuracy, less than 0.1% error over a
The BL6501 is a low cost, high accuracy, high
dynamic range of 500 : 1
stability, simple peripheral circuit electrical energy
Exactly measure the real power in the positive meter IC. The meter based on the BL6501 is intended
orientation and negative orientation, calculate the for using in single-phase, two-wire distribution
energy in the same orientation
systems. It can exactly measure the real power in the
Two current monitors continuously monitor the positive orientation and negative orientation and
phase and neutral currents in two-wire distribution calculate the energy in the same orientation.
systems. Uses the larger of two currents to bill, even
The BL6501 incorporates a novel fault detection
during a Fault condition
scheme that both warns of fault conditions and allows
A PGA in the current channel allows using small the BL6501 to continue accurate billing during a fault
value shunt and burden resistance
event. The BL6501 does this by continuously
The low frequency outputs F1 and F2 can monitoring both the phase and neutral (return)
directly drive electromechanical counters and two currents. Fault condition is indicated by PIN19
phase stepper motors and the high frequency output (FAULT), when these currents differ by more than
CF, supplies instantaneous real power, is intended for 12%. Billing is continued using the larger of the two
calibration and communications
currents when the difference is greater than 14%.
Two logic outputs REVP and FAULT can be used
The BL6501 supplies average real power
to indicate a potential orientation or Fault condition
information on the low frequency outputs F1 (Pin23)
On-Chip power supply detector
and F2 (Pin24). These logic outputs may be used to
On-Chip anti-creep protection
directly drive an electromechanical counter and
On-Chip voltage reference of 2.42V ± 8% two-phase stepper motors. The CF (Pin22) logic
(typical temperature coefficient of 30ppm/D)atwaiSthheet4oUu.tpcuotmgives instantaneous real power information.
external overdrive capability
This output is intended to be used for calibration
Single 5V supply
purposes or interface to an MCU.
Low static power (typical value of 15mW).
BL6501 thinks over the stability of reading
The technology of SLiM (Smart–Low–current– error in the process of calibration.. An internal no-load
Management ) is used.
threshold ensures that the BL6501 does not exhibit
Credible work, working time is more than twenty any creep when there is no load.
years
DataShee
Interrelated patents are pending
BLOCK DIAGRAM
VREF
AVDD
DVDD 1
AC/DC 2
AVDD 3
V1A 4
V1B 5
V1N 6
V2N 7
V2P 8
RESET 9
VREF 10
AGND 11
SCF 12
BL6501
24 F1
23 F2
22 CF
V1A
21 DGND
20 REVP
19 FAULT
V1B
V1N
18 CLKOUT
17 CLKIN
16 G0
15 G1
V2P
V2N
14 S0
13 S1
voltage
reference
current
sampling
analog
to digital
high
pass
filter
voltage
sampling
analog
to digital
high
pass
filter
input control
power
detector
BL6501
digital
multiplication
low
pass
filter
digital to
frequency
and
output
logical control
DIP/SSOP 24
G0 G1
AC/DC RESET SCF S0 S1
DataSheet4U.com www.belling.com.cn
- 1/15 -
Shanghai Belling Co., Ltd 810 Yishan Rd., Shanghai, China 200233 Tel 86-21-64850700 Fax 86-21-64852222
v1.20
FAULT
REVP
CF
F1
F2
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