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本帖最后由 四维电子 于 2025-1-20 17:10 编辑 1 W1 k- W1 o( h5 G/ J, r
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FEATURES O! t! k5 a A0 G; g
• High-Voltage Low Power Piezo Driver
% m; c% v2 m3 `; z. o6 S) oo Drive 100nF at 190VPP / N6 B1 Z. s- n6 w! w
and 250Hz with 490mW4 ]- R. H& t7 G }4 {+ d( j5 w8 T
o Drives Capacitive Loads up to 1000nF
4 T) y- p8 X9 }- f* uo Energy Recovery
7 k/ [% \3 ]/ A( C7 R' h' Do Differential Output
" z2 o- R( s0 v1 I% P+ Wo Small Solution Footprint, QFN & WLCSP
" p, y! d4 @& E! B4 z1 P• Low Quiescent Current: SHUTDOWN; SLEEP;2 r% s5 \3 |! z9 q% U3 e1 t+ P) b
IDLE; IDLE mode Current only 90uA& s+ c6 }9 ~. S# U0 e+ @
• Multiple operating modes: AUTOPLAY;1 a4 c& T7 b+ D7 N! J
SENSEPLAY; DIRECTPLAY; FIFOPLAY;& D0 h! M0 i! a7 M
SRAMPLAY
4 T5 v$ J' l5 T" \( F• Wide Supply Voltage Range of 2.3V to 5.5V0 f ?8 [0 {/ c" n' ]* G
• Advanced Piezo Sensing Capabilities3 R; M3 e2 w( q
o 8.8 mV Sensing Resolution# Q+ W4 t% \, J4 e& Z( `3 U9 F
o Interrupt Generation/ F7 D/ b: G5 Y
o Automatic Triggering of Haptic Feedback
, a6 B: i0 g4 i• Integrated Digital Front End with I2C
( U+ e$ a( e0 J6 t5 X7 Z" oo 1024 sample Internal FIFO InteRFace
$ J* Q; M# I, z2 c" C- f' Ko 1.8 V Digital I/O Supply
3 [8 G" q! h: o' G& so Supports Continuous Waveforms Playback
* [, Q9 @+ z3 W3 v2 Ho State Retention in SLEEP Mode
( r; q8 h. R/ T* H+ w0 z• Fast Start Up Time less than 200 µs
# Y3 R0 p/ Y: S) g• Multi-Actuator Synchronization; address
1 @7 D& f0 Y9 U7 d- R2 j: f# Y/ m$ w4 D6 S3 J
selection; Power-on-Reset
: h( B; v; T3 o- {3 V& R• ESD verification pass,latch up verification pass( Y9 Y# I7 P: `3 [ I G
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DESCRIPTION% o* Z q& A/ M3 t8 X
The ZCC1923 is a single-chip piezo actuator driver. R* G& C m0 r! S& t
with energy recovery, based on Analogwin’s patented' p2 \6 s/ R6 }" H. k3 W! p5 t
technology. It can drive actuators with waveforms up
a- {$ f4 ]$ \to 190 Vpk-pk while operating from a 2.3 to 5.5 V
0 _3 H% s4 F! \& m4 u/ `0 `3 vsupply voltage. Its low power and small size make it; r( w( s% n2 v) n
ideal for a variety of applications requiring minimal
; ]6 H4 t+ Q2 r$ {6 Lpower consumption. The ZCC1923 features9 |% V. E8 m, a/ Z3 s/ j" [
high-resolution piezo sensing capabilities allowing; P5 q$ o g. s
haptic feedback to be automatically played when
}6 E% P' J0 q. P8 vdetection conditions are met.
2 ~$ W' @9 X Z7 o! iThe ZCC1923 differential driver achieves low- S" j* ]1 x3 R: K E2 C; M# @$ Y
distortion waveforms and quiet actuator operation. All
6 j! v/ V8 O( c# l/ {settings are adjustable through the digital front end to5 m) o5 `/ w+ G2 `5 O }
reduce the BOM. Data and configuration parameters
! M. q0 [" [' m" R$ A- tare easily communicated to the ZCC1923 through its
9 M: m, n# R; xtwo wire I2C interface. A flexible deep FIFO enables
) ~/ U$ }+ y! u7 pthe streaming of digital waveform data for playback or
8 t8 A' R# f) s$ [* athe transmission of burst data for more bandwidth
@& \; {1 m6 y1 _' Y/ Eefficiency. The ZCC1923 also integrates 1.5 kB of
I* r* I/ k, _" c* q" ]& V& y. {RAM waveform memory to generate HD haptic0 o) Z7 n* [) q' d- o, U* t
waveforms with minimal communication bandwidth.
( I0 D+ @7 E1 w6 s6 gA dedicated SYNC pin can synchronize multiple, q+ w- l- K: X1 R9 B
ZCC1923 controllers to simultaneously drive multiple
- {5 t+ k3 R5 ?" J* qactuators within 2µs.( U* u/ S z/ g2 ?# B
In addition to SYNC synchronization, ZCC1923 can; X1 v5 }9 ?, x
also support CLK_SYNC synchronization. This
1 @4 }: M# O2 b- J- E$ c1 Gfunction synchronizes the clock CLK, and multiple, {. A) Q8 I; ^$ a- e
chips share the same CLK.
( y& I& R: G8 E6 M. v4 q! rWith a typical start-up time of less than 200µs, the
9 e$ e2 ^1 T2 m NZCC1923 latency is negligible in most systems
8 e- n# K( h5 Y# y) J7 k1 A. TVarious safety systems protect the ZCC1923 from9 d2 {6 j+ Z. d% d
damage in case of a fault
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